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Finding the Fourth Proportional to 482,160.22, 665,397.29 and 267,287.47

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Solution

The fourth proportional to 482,160.22, 665,397.29 and 267,287.47 is: 368,865.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,160.22 : 665,397.29 = 267,287.47 : x
  2. Step 2: Convert to fraction form
    482,160.22/665,397.29 = 267,287.47/x
  3. Step 3: Cross multiply
    482,160.22x = 665,397.29 × 267,287.47
  4. Step 4: Simplify right side
    482,160.22x = 177,852,355,189.03
  5. Step 5: Solve for x
    x = 177,852,355,189.03/482,160.22
  6. Step 6: Final answer
    x = 368,865.68

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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.