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Finding the Fourth Proportional to 442,793.52, 664,141.08 and 158,472.59

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Solution

The fourth proportional to 442,793.52, 664,141.08 and 158,472.59 is: 237,691.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,793.52 : 664,141.08 = 158,472.59 : x
  2. Step 2: Convert to fraction form
    442,793.52/664,141.08 = 158,472.59/x
  3. Step 3: Cross multiply
    442,793.52x = 664,141.08 × 158,472.59
  4. Step 4: Simplify right side
    442,793.52x = 105,248,154,620.28
  5. Step 5: Solve for x
    x = 105,248,154,620.28/442,793.52
  6. Step 6: Final answer
    x = 237,691.27

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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.