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Finding the Fourth Proportional to 491,478.48, 737,217.24 and 154,517.52

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Solution

The fourth proportional to 491,478.48, 737,217.24 and 154,517.52 is: 231,776.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,478.48 : 737,217.24 = 154,517.52 : x
  2. Step 2: Convert to fraction form
    491,478.48/737,217.24 = 154,517.52/x
  3. Step 3: Cross multiply
    491,478.48x = 737,217.24 × 154,517.52
  4. Step 4: Simplify right side
    491,478.48x = 113,912,979,626.05
  5. Step 5: Solve for x
    x = 113,912,979,626.05/491,478.48
  6. Step 6: Final answer
    x = 231,776.13

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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.