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Finding the Fourth Proportional to 331,997.60, 498,514.80 and 192,029.60

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Solution

The fourth proportional to 331,997.60, 498,514.80 and 192,029.60 is: 288,344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,997.60 : 498,514.80 = 192,029.60 : x
  2. Step 2: Convert to fraction form
    331,997.60/498,514.80 = 192,029.60/x
  3. Step 3: Cross multiply
    331,997.60x = 498,514.80 × 192,029.60
  4. Step 4: Simplify right side
    331,997.60x = 95,729,597,638.08
  5. Step 5: Solve for x
    x = 95,729,597,638.08/331,997.60
  6. Step 6: Final answer
    x = 288,344.25

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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.