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Finding the Fourth Proportional to 383,872.52, 575,562.36 and 159,387.92

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Solution

The fourth proportional to 383,872.52, 575,562.36 and 159,387.92 is: 238,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,872.52 : 575,562.36 = 159,387.92 : x
  2. Step 2: Convert to fraction form
    383,872.52/575,562.36 = 159,387.92/x
  3. Step 3: Cross multiply
    383,872.52x = 575,562.36 × 159,387.92
  4. Step 4: Simplify right side
    383,872.52x = 91,737,687,390.69
  5. Step 5: Solve for x
    x = 91,737,687,390.69/383,872.52
  6. Step 6: Final answer
    x = 238,979.56

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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.