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Finding the Fourth Proportional to 396,936.40, 595,500.60 and 116,462.80

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Solution

The fourth proportional to 396,936.40, 595,500.60 and 116,462.80 is: 174,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,936.40 : 595,500.60 = 116,462.80 : x
  2. Step 2: Convert to fraction form
    396,936.40/595,500.60 = 116,462.80/x
  3. Step 3: Cross multiply
    396,936.40x = 595,500.60 × 116,462.80
  4. Step 4: Simplify right side
    396,936.40x = 69,353,667,277.68
  5. Step 5: Solve for x
    x = 69,353,667,277.68/396,936.40
  6. Step 6: Final answer
    x = 174,722.37

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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.