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Finding the Fourth Proportional to 482,173.70, 665,374.92 and 267,311.48

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Solution

The fourth proportional to 482,173.70, 665,374.92 and 267,311.48 is: 368,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,173.70 : 665,374.92 = 267,311.48 : x
  2. Step 2: Convert to fraction form
    482,173.70/665,374.92 = 267,311.48/x
  3. Step 3: Cross multiply
    482,173.70x = 665,374.92 × 267,311.48
  4. Step 4: Simplify right side
    482,173.70x = 177,862,354,620.08
  5. Step 5: Solve for x
    x = 177,862,354,620.08/482,173.70
  6. Step 6: Final answer
    x = 368,876.10

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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.