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Finding the Fourth Proportional to 547,954.80, 822,085.80 and 267,481.20

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Solution

The fourth proportional to 547,954.80, 822,085.80 and 267,481.20 is: 401,296.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,954.80 : 822,085.80 = 267,481.20 : x
  2. Step 2: Convert to fraction form
    547,954.80/822,085.80 = 267,481.20/x
  3. Step 3: Cross multiply
    547,954.80x = 822,085.80 × 267,481.20
  4. Step 4: Simplify right side
    547,954.80x = 219,892,496,286.96
  5. Step 5: Solve for x
    x = 219,892,496,286.96/547,954.80
  6. Step 6: Final answer
    x = 401,296.78

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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.