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Finding the Fourth Proportional to 252,342.72, 377,377.92 and 224,426.88

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Solution

The fourth proportional to 252,342.72, 377,377.92 and 224,426.88 is: 335,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,342.72 : 377,377.92 = 224,426.88 : x
  2. Step 2: Convert to fraction form
    252,342.72/377,377.92 = 224,426.88/x
  3. Step 3: Cross multiply
    252,342.72x = 377,377.92 × 224,426.88
  4. Step 4: Simplify right side
    252,342.72x = 84,693,749,166.49
  5. Step 5: Solve for x
    x = 84,693,749,166.49/252,342.72
  6. Step 6: Final answer
    x = 335,629.85

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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.