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Finding the Fourth Proportional to 394,651.62, 591,926.13 and 157,996.62

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Solution

The fourth proportional to 394,651.62, 591,926.13 and 157,996.62 is: 236,974.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,651.62 : 591,926.13 = 157,996.62 : x
  2. Step 2: Convert to fraction form
    394,651.62/591,926.13 = 157,996.62/x
  3. Step 3: Cross multiply
    394,651.62x = 591,926.13 × 157,996.62
  4. Step 4: Simplify right side
    394,651.62x = 93,522,327,829.68
  5. Step 5: Solve for x
    x = 93,522,327,829.68/394,651.62
  6. Step 6: Final answer
    x = 236,974.39

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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.