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Finding the Fourth Proportional to 331,489.26, 497,233.53 and 82,171.26

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Solution

The fourth proportional to 331,489.26, 497,233.53 and 82,171.26 is: 123,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,489.26 : 497,233.53 = 82,171.26 : x
  2. Step 2: Convert to fraction form
    331,489.26/497,233.53 = 82,171.26/x
  3. Step 3: Cross multiply
    331,489.26x = 497,233.53 × 82,171.26
  4. Step 4: Simplify right side
    331,489.26x = 40,858,305,674.35
  5. Step 5: Solve for x
    x = 40,858,305,674.35/331,489.26
  6. Step 6: Final answer
    x = 123,256.80

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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.