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Finding the Fourth Proportional to 531,691.92, 797,401.80 and 157,627.44

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Solution

The fourth proportional to 531,691.92, 797,401.80 and 157,627.44 is: 236,400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,691.92 : 797,401.80 = 157,627.44 : x
  2. Step 2: Convert to fraction form
    531,691.92/797,401.80 = 157,627.44/x
  3. Step 3: Cross multiply
    531,691.92x = 797,401.80 × 157,627.44
  4. Step 4: Simplify right side
    531,691.92x = 125,692,404,385.39
  5. Step 5: Solve for x
    x = 125,692,404,385.39/531,691.92
  6. Step 6: Final answer
    x = 236,400.82

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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.