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Finding the Fourth Proportional to 482,086.80, 665,209.92 and 267,226.80

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Solution

The fourth proportional to 482,086.80, 665,209.92 and 267,226.80 is: 368,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,086.80 : 665,209.92 = 267,226.80 : x
  2. Step 2: Convert to fraction form
    482,086.80/665,209.92 = 267,226.80/x
  3. Step 3: Cross multiply
    482,086.80x = 665,209.92 × 267,226.80
  4. Step 4: Simplify right side
    482,086.80x = 177,761,918,249.86
  5. Step 5: Solve for x
    x = 177,761,918,249.86/482,086.80
  6. Step 6: Final answer
    x = 368,734.26

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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.