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Finding the Fourth Proportional to 332,046.60, 498,069.90 and 82,728.60

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Solution

The fourth proportional to 332,046.60, 498,069.90 and 82,728.60 is: 124,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,046.60 : 498,069.90 = 82,728.60 : x
  2. Step 2: Convert to fraction form
    332,046.60/498,069.90 = 82,728.60/x
  3. Step 3: Cross multiply
    332,046.60x = 498,069.90 × 82,728.60
  4. Step 4: Simplify right side
    332,046.60x = 41,204,625,529.14
  5. Step 5: Solve for x
    x = 41,204,625,529.14/332,046.60
  6. Step 6: Final answer
    x = 124,092.90

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1.5x scale

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.