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Finding the Fourth Proportional to 331,612.52, 497,523.92 and 118,375.86

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Solution

The fourth proportional to 331,612.52, 497,523.92 and 118,375.86 is: 177,601.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,612.52 : 497,523.92 = 118,375.86 : x
  2. Step 2: Convert to fraction form
    331,612.52/497,523.92 = 118,375.86/x
  3. Step 3: Cross multiply
    331,612.52x = 497,523.92 × 118,375.86
  4. Step 4: Simplify right side
    331,612.52x = 58,894,821,816.43
  5. Step 5: Solve for x
    x = 58,894,821,816.43/331,612.52
  6. Step 6: Final answer
    x = 177,601.32

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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.