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Finding the Fourth Proportional to 482,129.14, 665,293.38 and 267,250.90

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Solution

The fourth proportional to 482,129.14, 665,293.38 and 267,250.90 is: 368,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,129.14 : 665,293.38 = 267,250.90 : x
  2. Step 2: Convert to fraction form
    482,129.14/665,293.38 = 267,250.90/x
  3. Step 3: Cross multiply
    482,129.14x = 665,293.38 × 267,250.90
  4. Step 4: Simplify right side
    482,129.14x = 177,800,254,569.04
  5. Step 5: Solve for x
    x = 177,800,254,569.04/482,129.14
  6. Step 6: Final answer
    x = 368,781.39

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1.5x scale

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.