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Finding the Fourth Proportional to 482,568.82, 665,945.75 and 267,708.88

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Solution

The fourth proportional to 482,568.82, 665,945.75 and 267,708.88 is: 369,438.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,568.82 : 665,945.75 = 267,708.88 : x
  2. Step 2: Convert to fraction form
    482,568.82/665,945.75 = 267,708.88/x
  3. Step 3: Cross multiply
    482,568.82x = 665,945.75 × 267,708.88
  4. Step 4: Simplify right side
    482,568.82x = 178,279,592,374.96
  5. Step 5: Solve for x
    x = 178,279,592,374.96/482,568.82
  6. Step 6: Final answer
    x = 369,438.69

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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.