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Finding the Fourth Proportional to 636,737.92, 954,778.15 and 187,400.41

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Solution

The fourth proportional to 636,737.92, 954,778.15 and 187,400.41 is: 281,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,737.92 : 954,778.15 = 187,400.41 : x
  2. Step 2: Convert to fraction form
    636,737.92/954,778.15 = 187,400.41/x
  3. Step 3: Cross multiply
    636,737.92x = 954,778.15 × 187,400.41
  4. Step 4: Simplify right side
    636,737.92x = 178,925,816,769.04
  5. Step 5: Solve for x
    x = 178,925,816,769.04/636,737.92
  6. Step 6: Final answer
    x = 281,003.87

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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.