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Finding the Fourth Proportional to 497,251.87, 745,951.31 and 181,634.96

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Solution

The fourth proportional to 497,251.87, 745,951.31 and 181,634.96 is: 272,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,251.87 : 745,951.31 = 181,634.96 : x
  2. Step 2: Convert to fraction form
    497,251.87/745,951.31 = 181,634.96/x
  3. Step 3: Cross multiply
    497,251.87x = 745,951.31 × 181,634.96
  4. Step 4: Simplify right side
    497,251.87x = 135,490,836,353.80
  5. Step 5: Solve for x
    x = 135,490,836,353.80/497,251.87
  6. Step 6: Final answer
    x = 272,479.29

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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.