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Finding the Fourth Proportional to 625,025.28, 862,534.92 and 338,545.46

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Solution

The fourth proportional to 625,025.28, 862,534.92 and 338,545.46 is: 467,192.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,025.28 : 862,534.92 = 338,545.46 : x
  2. Step 2: Convert to fraction form
    625,025.28/862,534.92 = 338,545.46/x
  3. Step 3: Cross multiply
    625,025.28x = 862,534.92 × 338,545.46
  4. Step 4: Simplify right side
    625,025.28x = 292,007,276,944.79
  5. Step 5: Solve for x
    x = 292,007,276,944.79/625,025.28
  6. Step 6: Final answer
    x = 467,192.75

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1.5x scale

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.