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Finding the Fourth Proportional to 475,901.85, 656,732.72 and 271,939.83

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Solution

The fourth proportional to 475,901.85, 656,732.72 and 271,939.83 is: 375,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,901.85 : 656,732.72 = 271,939.83 : x
  2. Step 2: Convert to fraction form
    475,901.85/656,732.72 = 271,939.83/x
  3. Step 3: Cross multiply
    475,901.85x = 656,732.72 × 271,939.83
  4. Step 4: Simplify right side
    475,901.85x = 178,591,782,872.54
  5. Step 5: Solve for x
    x = 178,591,782,872.54/475,901.85
  6. Step 6: Final answer
    x = 375,270.20

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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.