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Finding the Fourth Proportional to 331,750.38, 497,625.93 and 82,432.38

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Solution

The fourth proportional to 331,750.38, 497,625.93 and 82,432.38 is: 123,648.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,750.38 : 497,625.93 = 82,432.38 : x
  2. Step 2: Convert to fraction form
    331,750.38/497,625.93 = 82,432.38/x
  3. Step 3: Cross multiply
    331,750.38x = 497,625.93 × 82,432.38
  4. Step 4: Simplify right side
    331,750.38x = 41,020,489,759.61
  5. Step 5: Solve for x
    x = 41,020,489,759.61/331,750.38
  6. Step 6: Final answer
    x = 123,648.66

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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.