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Finding the Fourth Proportional to 396,786.61, 595,027.60 and 168,937.76

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Solution

The fourth proportional to 396,786.61, 595,027.60 and 168,937.76 is: 253,341.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,786.61 : 595,027.60 = 168,937.76 : x
  2. Step 2: Convert to fraction form
    396,786.61/595,027.60 = 168,937.76/x
  3. Step 3: Cross multiply
    396,786.61x = 595,027.60 × 168,937.76
  4. Step 4: Simplify right side
    396,786.61x = 100,522,629,037.49
  5. Step 5: Solve for x
    x = 100,522,629,037.49/396,786.61
  6. Step 6: Final answer
    x = 253,341.79

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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.