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Finding the Fourth Proportional to 363,299.52, 545,064.48 and 196,996.80

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Solution

The fourth proportional to 363,299.52, 545,064.48 and 196,996.80 is: 295,557.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,299.52 : 545,064.48 = 196,996.80 : x
  2. Step 2: Convert to fraction form
    363,299.52/545,064.48 = 196,996.80/x
  3. Step 3: Cross multiply
    363,299.52x = 545,064.48 × 196,996.80
  4. Step 4: Simplify right side
    363,299.52x = 107,375,958,353.66
  5. Step 5: Solve for x
    x = 107,375,958,353.66/363,299.52
  6. Step 6: Final answer
    x = 295,557.67

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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.