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Finding the Fourth Proportional to 493,249.60, 681,144.42 and 363,046.55

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Solution

The fourth proportional to 493,249.60, 681,144.42 and 363,046.55 is: 501,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,249.60 : 681,144.42 = 363,046.55 : x
  2. Step 2: Convert to fraction form
    493,249.60/681,144.42 = 363,046.55/x
  3. Step 3: Cross multiply
    493,249.60x = 681,144.42 × 363,046.55
  4. Step 4: Simplify right side
    493,249.60x = 247,287,131,732.75
  5. Step 5: Solve for x
    x = 247,287,131,732.75/493,249.60
  6. Step 6: Final answer
    x = 501,342.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.