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Finding the Fourth Proportional to 627,540.72, 940,276.50 and 361,524.96

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Solution

The fourth proportional to 627,540.72, 940,276.50 and 361,524.96 is: 541,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,540.72 : 940,276.50 = 361,524.96 : x
  2. Step 2: Convert to fraction form
    627,540.72/940,276.50 = 361,524.96/x
  3. Step 3: Cross multiply
    627,540.72x = 940,276.50 × 361,524.96
  4. Step 4: Simplify right side
    627,540.72x = 339,933,424,051.44
  5. Step 5: Solve for x
    x = 339,933,424,051.44/627,540.72
  6. Step 6: Final answer
    x = 541,691.42

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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.