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Finding the Fourth Proportional to 482,225.70, 665,487.18 and 267,385.80

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Solution

The fourth proportional to 482,225.70, 665,487.18 and 267,385.80 is: 369,001.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,225.70 : 665,487.18 = 267,385.80 : x
  2. Step 2: Convert to fraction form
    482,225.70/665,487.18 = 267,385.80/x
  3. Step 3: Cross multiply
    482,225.70x = 665,487.18 × 267,385.80
  4. Step 4: Simplify right side
    482,225.70x = 177,941,822,014.04
  5. Step 5: Solve for x
    x = 177,941,822,014.04/482,225.70
  6. Step 6: Final answer
    x = 369,001.12

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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.