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Finding the Fourth Proportional to 482,270.04, 665,540.64 and 267,419.16

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Solution

The fourth proportional to 482,270.04, 665,540.64 and 267,419.16 is: 369,042.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,270.04 : 665,540.64 = 267,419.16 : x
  2. Step 2: Convert to fraction form
    482,270.04/665,540.64 = 267,419.16/x
  3. Step 3: Cross multiply
    482,270.04x = 665,540.64 × 267,419.16
  4. Step 4: Simplify right side
    482,270.04x = 177,978,318,894.66
  5. Step 5: Solve for x
    x = 177,978,318,894.66/482,270.04
  6. Step 6: Final answer
    x = 369,042.87

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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.