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Finding the Fourth Proportional to 482,186.66, 665,433.36 and 267,346.71

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Solution

The fourth proportional to 482,186.66, 665,433.36 and 267,346.71 is: 368,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,186.66 : 665,433.36 = 267,346.71 : x
  2. Step 2: Convert to fraction form
    482,186.66/665,433.36 = 267,346.71/x
  3. Step 3: Cross multiply
    482,186.66x = 665,433.36 × 267,346.71
  4. Step 4: Simplify right side
    482,186.66x = 177,901,419,520.25
  5. Step 5: Solve for x
    x = 177,901,419,520.25/482,186.66
  6. Step 6: Final answer
    x = 368,947.21

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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.