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Finding the Fourth Proportional to 331,627.72, 497,512.66 and 107,001

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Solution

The fourth proportional to 331,627.72, 497,512.66 and 107,001 is: 160,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,627.72 : 497,512.66 = 107,001 : x
  2. Step 2: Convert to fraction form
    331,627.72/497,512.66 = 107,001/x
  3. Step 3: Cross multiply
    331,627.72x = 497,512.66 × 107,001
  4. Step 4: Simplify right side
    331,627.72x = 53,234,352,132.66
  5. Step 5: Solve for x
    x = 53,234,352,132.66/331,627.72
  6. Step 6: Final answer
    x = 160,524.43

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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.