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Finding the Fourth Proportional to 482,380.57, 665,668.38 and 267,540.63

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Solution

The fourth proportional to 482,380.57, 665,668.38 and 267,540.63 is: 369,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,380.57 : 665,668.38 = 267,540.63 : x
  2. Step 2: Convert to fraction form
    482,380.57/665,668.38 = 267,540.63/x
  3. Step 3: Cross multiply
    482,380.57x = 665,668.38 × 267,540.63
  4. Step 4: Simplify right side
    482,380.57x = 178,093,337,756.28
  5. Step 5: Solve for x
    x = 178,093,337,756.28/482,380.57
  6. Step 6: Final answer
    x = 369,196.75

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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.