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Finding the Fourth Proportional to 482,354.60, 665,650.87 and 267,514.52

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Solution

The fourth proportional to 482,354.60, 665,650.87 and 267,514.52 is: 369,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,354.60 : 665,650.87 = 267,514.52 : x
  2. Step 2: Convert to fraction form
    482,354.60/665,650.87 = 267,514.52/x
  3. Step 3: Cross multiply
    482,354.60x = 665,650.87 × 267,514.52
  4. Step 4: Simplify right side
    482,354.60x = 178,071,272,975.63
  5. Step 5: Solve for x
    x = 178,071,272,975.63/482,354.60
  6. Step 6: Final answer
    x = 369,170.88

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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.