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Finding the Fourth Proportional to 625,676.28, 862,974.65 and 410,737.92

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Solution

The fourth proportional to 625,676.28, 862,974.65 and 410,737.92 is: 566,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,676.28 : 862,974.65 = 410,737.92 : x
  2. Step 2: Convert to fraction form
    625,676.28/862,974.65 = 410,737.92/x
  3. Step 3: Cross multiply
    625,676.28x = 862,974.65 × 410,737.92
  4. Step 4: Simplify right side
    625,676.28x = 354,456,410,700.04
  5. Step 5: Solve for x
    x = 354,456,410,700.04/625,676.28
  6. Step 6: Final answer
    x = 566,517.26

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Why These Related Problems?

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