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Finding the Fourth Proportional to 482,287.48, 665,524.28 and 267,419.60

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Solution

The fourth proportional to 482,287.48, 665,524.28 and 267,419.60 is: 369,021.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,287.48 : 665,524.28 = 267,419.60 : x
  2. Step 2: Convert to fraction form
    482,287.48/665,524.28 = 267,419.60/x
  3. Step 3: Cross multiply
    482,287.48x = 665,524.28 × 267,419.60
  4. Step 4: Simplify right side
    482,287.48x = 177,974,236,747.89
  5. Step 5: Solve for x
    x = 177,974,236,747.89/482,287.48
  6. Step 6: Final answer
    x = 369,021.06

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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.