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Finding the Fourth Proportional to 322,624.35, 445,220.15 and 179,375.85

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Solution

The fourth proportional to 322,624.35, 445,220.15 and 179,375.85 is: 247,537.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,624.35 : 445,220.15 = 179,375.85 : x
  2. Step 2: Convert to fraction form
    322,624.35/445,220.15 = 179,375.85/x
  3. Step 3: Cross multiply
    322,624.35x = 445,220.15 × 179,375.85
  4. Step 4: Simplify right side
    322,624.35x = 79,861,741,946.50
  5. Step 5: Solve for x
    x = 79,861,741,946.50/322,624.35
  6. Step 6: Final answer
    x = 247,537.86

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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.