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Finding the Fourth Proportional to 220,043.44, 331,259.38 and 197,182

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Solution

The fourth proportional to 220,043.44, 331,259.38 and 197,182 is: 296,843.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,043.44 : 331,259.38 = 197,182 : x
  2. Step 2: Convert to fraction form
    220,043.44/331,259.38 = 197,182/x
  3. Step 3: Cross multiply
    220,043.44x = 331,259.38 × 197,182
  4. Step 4: Simplify right side
    220,043.44x = 65,318,387,067.16
  5. Step 5: Solve for x
    x = 65,318,387,067.16/220,043.44
  6. Step 6: Final answer
    x = 296,843.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.