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Finding the Fourth Proportional to 712,597.12, 983,139.92 and 406,453.52

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Solution

The fourth proportional to 712,597.12, 983,139.92 and 406,453.52 is: 560,766.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,597.12 : 983,139.92 = 406,453.52 : x
  2. Step 2: Convert to fraction form
    712,597.12/983,139.92 = 406,453.52/x
  3. Step 3: Cross multiply
    712,597.12x = 983,139.92 × 406,453.52
  4. Step 4: Simplify right side
    712,597.12x = 399,600,681,136.52
  5. Step 5: Solve for x
    x = 399,600,681,136.52/712,597.12
  6. Step 6: Final answer
    x = 560,766.62

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