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Finding the Fourth Proportional to 458,627.22, 632,884.28 and 254,691.09

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Solution

The fourth proportional to 458,627.22, 632,884.28 and 254,691.09 is: 351,461.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,627.22 : 632,884.28 = 254,691.09 : x
  2. Step 2: Convert to fraction form
    458,627.22/632,884.28 = 254,691.09/x
  3. Step 3: Cross multiply
    458,627.22x = 632,884.28 × 254,691.09
  4. Step 4: Simplify right side
    458,627.22x = 161,189,985,843.61
  5. Step 5: Solve for x
    x = 161,189,985,843.61/458,627.22
  6. Step 6: Final answer
    x = 351,461.88

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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.