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Finding the Fourth Proportional to 394,361.39, 591,641.88 and 110,051.91

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Solution

The fourth proportional to 394,361.39, 591,641.88 and 110,051.91 is: 165,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,361.39 : 591,641.88 = 110,051.91 : x
  2. Step 2: Convert to fraction form
    394,361.39/591,641.88 = 110,051.91/x
  3. Step 3: Cross multiply
    394,361.39x = 591,641.88 × 110,051.91
  4. Step 4: Simplify right side
    394,361.39x = 65,111,318,517.30
  5. Step 5: Solve for x
    x = 65,111,318,517.30/394,361.39
  6. Step 6: Final answer
    x = 165,105.71

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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.