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Finding the Fourth Proportional to 482,115.90, 665,275.24 and 267,237.69

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Solution

The fourth proportional to 482,115.90, 665,275.24 and 267,237.69 is: 368,763.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,115.90 : 665,275.24 = 267,237.69 : x
  2. Step 2: Convert to fraction form
    482,115.90/665,275.24 = 267,237.69/x
  3. Step 3: Cross multiply
    482,115.90x = 665,275.24 × 267,237.69
  4. Step 4: Simplify right side
    482,115.90x = 177,786,618,351.80
  5. Step 5: Solve for x
    x = 177,786,618,351.80/482,115.90
  6. Step 6: Final answer
    x = 368,763.23

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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.