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Finding the Fourth Proportional to 495,649.26, 741,865.35 and 267,627.89

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Solution

The fourth proportional to 495,649.26, 741,865.35 and 267,627.89 is: 400,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,649.26 : 741,865.35 = 267,627.89 : x
  2. Step 2: Convert to fraction form
    495,649.26/741,865.35 = 267,627.89/x
  3. Step 3: Cross multiply
    495,649.26x = 741,865.35 × 267,627.89
  4. Step 4: Simplify right side
    495,649.26x = 198,543,854,575.29
  5. Step 5: Solve for x
    x = 198,543,854,575.29/495,649.26
  6. Step 6: Final answer
    x = 400,573.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.