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Finding the Fourth Proportional to 484,358.92, 726,565.68 and 147,410.56

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Solution

The fourth proportional to 484,358.92, 726,565.68 and 147,410.56 is: 221,124.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,358.92 : 726,565.68 = 147,410.56 : x
  2. Step 2: Convert to fraction form
    484,358.92/726,565.68 = 147,410.56/x
  3. Step 3: Cross multiply
    484,358.92x = 726,565.68 × 147,410.56
  4. Step 4: Simplify right side
    484,358.92x = 107,103,453,765.58
  5. Step 5: Solve for x
    x = 107,103,453,765.58/484,358.92
  6. Step 6: Final answer
    x = 221,124.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.