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Finding the Fourth Proportional to 482,755.28, 666,233.52 and 267,895.76

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Solution

The fourth proportional to 482,755.28, 666,233.52 and 267,895.76 is: 369,713.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,755.28 : 666,233.52 = 267,895.76 : x
  2. Step 2: Convert to fraction form
    482,755.28/666,233.52 = 267,895.76/x
  3. Step 3: Cross multiply
    482,755.28x = 666,233.52 × 267,895.76
  4. Step 4: Simplify right side
    482,755.28x = 178,481,135,177.88
  5. Step 5: Solve for x
    x = 178,481,135,177.88/482,755.28
  6. Step 6: Final answer
    x = 369,713.48

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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.