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Finding the Fourth Proportional to 482,411.88, 665,718.48 and 267,517.26

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Solution

The fourth proportional to 482,411.88, 665,718.48 and 267,517.26 is: 369,168.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,411.88 : 665,718.48 = 267,517.26 : x
  2. Step 2: Convert to fraction form
    482,411.88/665,718.48 = 267,517.26/x
  3. Step 3: Cross multiply
    482,411.88x = 665,718.48 × 267,517.26
  4. Step 4: Simplify right side
    482,411.88x = 178,091,183,700.97
  5. Step 5: Solve for x
    x = 178,091,183,700.97/482,411.88
  6. Step 6: Final answer
    x = 369,168.32

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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.