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Finding the Fourth Proportional to 482,099.22, 665,286.30 and 267,237.42

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Solution

The fourth proportional to 482,099.22, 665,286.30 and 267,237.42 is: 368,781.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,099.22 : 665,286.30 = 267,237.42 : x
  2. Step 2: Convert to fraction form
    482,099.22/665,286.30 = 267,237.42/x
  3. Step 3: Cross multiply
    482,099.22x = 665,286.30 × 267,237.42
  4. Step 4: Simplify right side
    482,099.22x = 177,789,394,373.35
  5. Step 5: Solve for x
    x = 177,789,394,373.35/482,099.22
  6. Step 6: Final answer
    x = 368,781.75

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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.