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Finding the Fourth Proportional to 396,745.54, 595,040.81 and 126,801.27

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Solution

The fourth proportional to 396,745.54, 595,040.81 and 126,801.27 is: 190,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,745.54 : 595,040.81 = 126,801.27 : x
  2. Step 2: Convert to fraction form
    396,745.54/595,040.81 = 126,801.27/x
  3. Step 3: Cross multiply
    396,745.54x = 595,040.81 × 126,801.27
  4. Step 4: Simplify right side
    396,745.54x = 75,451,928,495.43
  5. Step 5: Solve for x
    x = 75,451,928,495.43/396,745.54
  6. Step 6: Final answer
    x = 190,177.13

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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.