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Finding the Fourth Proportional to 482,270.90, 665,555.13 and 267,397.34

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Solution

The fourth proportional to 482,270.90, 665,555.13 and 267,397.34 is: 369,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,270.90 : 665,555.13 = 267,397.34 : x
  2. Step 2: Convert to fraction form
    482,270.90/665,555.13 = 267,397.34/x
  3. Step 3: Cross multiply
    482,270.90x = 665,555.13 × 267,397.34
  4. Step 4: Simplify right side
    482,270.90x = 177,967,668,057.58
  5. Step 5: Solve for x
    x = 177,967,668,057.58/482,270.90
  6. Step 6: Final answer
    x = 369,020.13

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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.