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Where does this man rank among the 10 richest Americans?

10 richest people in America

20 September 2012

The net worth of the richest Americans grew by 13 percent in the past year to $1.7 trillion, according to Forbes magazine. The average net worth of the 400 wealthiest Americans rose to a record $4.2 billion, up more than 10 percent from a year ago. Seven in ten of the list's members made their fortunes from scratch.

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