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Finding the Fourth Proportional to 482,386.28, 665,732.92 and 267,595.60

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Solution

The fourth proportional to 482,386.28, 665,732.92 and 267,595.60 is: 369,304.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,386.28 : 665,732.92 = 267,595.60 : x
  2. Step 2: Convert to fraction form
    482,386.28/665,732.92 = 267,595.60/x
  3. Step 3: Cross multiply
    482,386.28x = 665,732.92 × 267,595.60
  4. Step 4: Simplify right side
    482,386.28x = 178,147,200,167.15
  5. Step 5: Solve for x
    x = 178,147,200,167.15/482,386.28
  6. Step 6: Final answer
    x = 369,304.04

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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.