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Finding the Fourth Proportional to 362.00, 499.56 and 196.22

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Solution

The fourth proportional to 362.00, 499.56 and 196.22 is: 270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.00 : 499.56 = 196.22 : x
  2. Step 2: Convert to fraction form
    362.00/499.56 = 196.22/x
  3. Step 3: Cross multiply
    362.00x = 499.56 × 196.22
  4. Step 4: Simplify right side
    362.00x = 98,021.73
  5. Step 5: Solve for x
    x = 98,021.73/362.00
  6. Step 6: Final answer
    x = 270.78

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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.