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Finding the Fourth Proportional to 481,793.20, 721,939.20 and 182,110.30

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Solution

The fourth proportional to 481,793.20, 721,939.20 and 182,110.30 is: 272,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,793.20 : 721,939.20 = 182,110.30 : x
  2. Step 2: Convert to fraction form
    481,793.20/721,939.20 = 182,110.30/x
  3. Step 3: Cross multiply
    481,793.20x = 721,939.20 × 182,110.30
  4. Step 4: Simplify right side
    481,793.20x = 131,472,564,293.76
  5. Step 5: Solve for x
    x = 131,472,564,293.76/481,793.20
  6. Step 6: Final answer
    x = 272,881.73

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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.