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Finding the Fourth Proportional to 394,177.03, 590,891.49 and 127,750.33

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Solution

The fourth proportional to 394,177.03, 590,891.49 and 127,750.33 is: 191,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,177.03 : 590,891.49 = 127,750.33 : x
  2. Step 2: Convert to fraction form
    394,177.03/590,891.49 = 127,750.33/x
  3. Step 3: Cross multiply
    394,177.03x = 590,891.49 × 127,750.33
  4. Step 4: Simplify right side
    394,177.03x = 75,486,582,841.69
  5. Step 5: Solve for x
    x = 75,486,582,841.69/394,177.03
  6. Step 6: Final answer
    x = 191,504.27

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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.