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Finding the Fourth Proportional to 564,107.28, 777,796.20 and 516,518.16

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Solution

The fourth proportional to 564,107.28, 777,796.20 and 516,518.16 is: 712,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,107.28 : 777,796.20 = 516,518.16 : x
  2. Step 2: Convert to fraction form
    564,107.28/777,796.20 = 516,518.16/x
  3. Step 3: Cross multiply
    564,107.28x = 777,796.20 × 516,518.16
  4. Step 4: Simplify right side
    564,107.28x = 401,745,862,078.99
  5. Step 5: Solve for x
    x = 401,745,862,078.99/564,107.28
  6. Step 6: Final answer
    x = 712,179.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.