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Finding the Fourth Proportional to 642,908.73, 964,166.22 and 444,504.09

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Solution

The fourth proportional to 642,908.73, 964,166.22 and 444,504.09 is: 666,620.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,908.73 : 964,166.22 = 444,504.09 : x
  2. Step 2: Convert to fraction form
    642,908.73/964,166.22 = 444,504.09/x
  3. Step 3: Cross multiply
    642,908.73x = 964,166.22 × 444,504.09
  4. Step 4: Simplify right side
    642,908.73x = 428,575,828,229.84
  5. Step 5: Solve for x
    x = 428,575,828,229.84/642,908.73
  6. Step 6: Final answer
    x = 666,620.02

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