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Finding the Fourth Proportional to 482,116.88, 665,276.56 and 267,238.66

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Solution

The fourth proportional to 482,116.88, 665,276.56 and 267,238.66 is: 368,764.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,116.88 : 665,276.56 = 267,238.66 : x
  2. Step 2: Convert to fraction form
    482,116.88/665,276.56 = 267,238.66/x
  3. Step 3: Cross multiply
    482,116.88x = 665,276.56 × 267,238.66
  4. Step 4: Simplify right side
    482,116.88x = 177,787,615,339.92
  5. Step 5: Solve for x
    x = 177,787,615,339.92/482,116.88
  6. Step 6: Final answer
    x = 368,764.55

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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.