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Finding the Fourth Proportional to 452,673.44, 679,115.31 and 132,812.38

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Solution

The fourth proportional to 452,673.44, 679,115.31 and 132,812.38 is: 199,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,673.44 : 679,115.31 = 132,812.38 : x
  2. Step 2: Convert to fraction form
    452,673.44/679,115.31 = 132,812.38/x
  3. Step 3: Cross multiply
    452,673.44x = 679,115.31 × 132,812.38
  4. Step 4: Simplify right side
    452,673.44x = 90,194,923,997.00
  5. Step 5: Solve for x
    x = 90,194,923,997.00/452,673.44
  6. Step 6: Final answer
    x = 199,249.43

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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.