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Finding the Fourth Proportional to 331,648.20, 497,350.80 and 107,067.60

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Solution

The fourth proportional to 331,648.20, 497,350.80 and 107,067.60 is: 160,562.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,648.20 : 497,350.80 = 107,067.60 : x
  2. Step 2: Convert to fraction form
    331,648.20/497,350.80 = 107,067.60/x
  3. Step 3: Cross multiply
    331,648.20x = 497,350.80 × 107,067.60
  4. Step 4: Simplify right side
    331,648.20x = 53,250,156,514.08
  5. Step 5: Solve for x
    x = 53,250,156,514.08/331,648.20
  6. Step 6: Final answer
    x = 160,562.18

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1.5x scale

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.