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Finding the Fourth Proportional to 482,124.12, 665,286.50 and 267,245.90

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Solution

The fourth proportional to 482,124.12, 665,286.50 and 267,245.90 is: 368,774.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,124.12 : 665,286.50 = 267,245.90 : x
  2. Step 2: Convert to fraction form
    482,124.12/665,286.50 = 267,245.90/x
  3. Step 3: Cross multiply
    482,124.12x = 665,286.50 × 267,245.90
  4. Step 4: Simplify right side
    482,124.12x = 177,795,084,787.69
  5. Step 5: Solve for x
    x = 177,795,084,787.69/482,124.12
  6. Step 6: Final answer
    x = 368,774.51

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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.