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Finding the Fourth Proportional to 359,757.92, 496,458.05 and 196,408.85

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Solution

The fourth proportional to 359,757.92, 496,458.05 and 196,408.85 is: 271,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,757.92 : 496,458.05 = 196,408.85 : x
  2. Step 2: Convert to fraction form
    359,757.92/496,458.05 = 196,408.85/x
  3. Step 3: Cross multiply
    359,757.92x = 496,458.05 × 196,408.85
  4. Step 4: Simplify right side
    359,757.92x = 97,508,751,209.41
  5. Step 5: Solve for x
    x = 97,508,751,209.41/359,757.92
  6. Step 6: Final answer
    x = 271,039.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.