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Finding the Fourth Proportional to 625,025.58, 862,535.36 and 338,545.76

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Solution

The fourth proportional to 625,025.58, 862,535.36 and 338,545.76 is: 467,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,025.58 : 862,535.36 = 338,545.76 : x
  2. Step 2: Convert to fraction form
    625,025.58/862,535.36 = 338,545.76/x
  3. Step 3: Cross multiply
    625,025.58x = 862,535.36 × 338,545.76
  4. Step 4: Simplify right side
    625,025.58x = 292,007,688,978.07
  5. Step 5: Solve for x
    x = 292,007,688,978.07/625,025.58
  6. Step 6: Final answer
    x = 467,193.18

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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.