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Finding the Fourth Proportional to 482,591.57, 665,977.19 and 267,731.69

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Solution

The fourth proportional to 482,591.57, 665,977.19 and 267,731.69 is: 369,470.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,591.57 : 665,977.19 = 267,731.69 : x
  2. Step 2: Convert to fraction form
    482,591.57/665,977.19 = 267,731.69/x
  3. Step 3: Cross multiply
    482,591.57x = 665,977.19 × 267,731.69
  4. Step 4: Simplify right side
    482,591.57x = 178,303,193,911.61
  5. Step 5: Solve for x
    x = 178,303,193,911.61/482,591.57
  6. Step 6: Final answer
    x = 369,470.18

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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.