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Finding the Fourth Proportional to 332,691.60, 499,037.40 and 273,642.60

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Solution

The fourth proportional to 332,691.60, 499,037.40 and 273,642.60 is: 410,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,691.60 : 499,037.40 = 273,642.60 : x
  2. Step 2: Convert to fraction form
    332,691.60/499,037.40 = 273,642.60/x
  3. Step 3: Cross multiply
    332,691.60x = 499,037.40 × 273,642.60
  4. Step 4: Simplify right side
    332,691.60x = 136,557,891,633.24
  5. Step 5: Solve for x
    x = 136,557,891,633.24/332,691.60
  6. Step 6: Final answer
    x = 410,463.90

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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.