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Finding the Fourth Proportional to 322,732.92, 445,387.21 and 179,489.89

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Solution

The fourth proportional to 322,732.92, 445,387.21 and 179,489.89 is: 247,704.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,732.92 : 445,387.21 = 179,489.89 : x
  2. Step 2: Convert to fraction form
    322,732.92/445,387.21 = 179,489.89/x
  3. Step 3: Cross multiply
    322,732.92x = 445,387.21 × 179,489.89
  4. Step 4: Simplify right side
    322,732.92x = 79,942,501,438.32
  5. Step 5: Solve for x
    x = 79,942,501,438.32/322,732.92
  6. Step 6: Final answer
    x = 247,704.82

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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.