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Finding the Fourth Proportional to 322,635.71, 445,234.52 and 179,394.50

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Solution

The fourth proportional to 322,635.71, 445,234.52 and 179,394.50 is: 247,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,635.71 : 445,234.52 = 179,394.50 : x
  2. Step 2: Convert to fraction form
    322,635.71/445,234.52 = 179,394.50/x
  3. Step 3: Cross multiply
    322,635.71x = 445,234.52 × 179,394.50
  4. Step 4: Simplify right side
    322,635.71x = 79,872,624,098.14
  5. Step 5: Solve for x
    x = 79,872,624,098.14/322,635.71
  6. Step 6: Final answer
    x = 247,562.88

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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.