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Finding the Fourth Proportional to 331,677.60, 457,353.72 and 224,060.88

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Solution

The fourth proportional to 331,677.60, 457,353.72 and 224,060.88 is: 308,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,677.60 : 457,353.72 = 224,060.88 : x
  2. Step 2: Convert to fraction form
    331,677.60/457,353.72 = 224,060.88/x
  3. Step 3: Cross multiply
    331,677.60x = 457,353.72 × 224,060.88
  4. Step 4: Simplify right side
    331,677.60x = 102,475,076,974.47
  5. Step 5: Solve for x
    x = 102,475,076,974.47/331,677.60
  6. Step 6: Final answer
    x = 308,959.90

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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.