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Finding the Fourth Proportional to 394,897.10, 591,808.82 and 167,003.27

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Solution

The fourth proportional to 394,897.10, 591,808.82 and 167,003.27 is: 250,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,897.10 : 591,808.82 = 167,003.27 : x
  2. Step 2: Convert to fraction form
    394,897.10/591,808.82 = 167,003.27/x
  3. Step 3: Cross multiply
    394,897.10x = 591,808.82 × 167,003.27
  4. Step 4: Simplify right side
    394,897.10x = 98,834,005,195.80
  5. Step 5: Solve for x
    x = 98,834,005,195.80/394,897.10
  6. Step 6: Final answer
    x = 250,277.87

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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.