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Finding the Fourth Proportional to 491,351.92, 737,027.66 and 136,365.83

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Solution

The fourth proportional to 491,351.92, 737,027.66 and 136,365.83 is: 204,548.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,351.92 : 737,027.66 = 136,365.83 : x
  2. Step 2: Convert to fraction form
    491,351.92/737,027.66 = 136,365.83/x
  3. Step 3: Cross multiply
    491,351.92x = 737,027.66 × 136,365.83
  4. Step 4: Simplify right side
    491,351.92x = 100,505,387,241.43
  5. Step 5: Solve for x
    x = 100,505,387,241.43/491,351.92
  6. Step 6: Final answer
    x = 204,548.68

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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.