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Finding the Fourth Proportional to 362.01, 499.57 and 196.22

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Solution

The fourth proportional to 362.01, 499.57 and 196.22 is: 270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.01 : 499.57 = 196.22 : x
  2. Step 2: Convert to fraction form
    362.01/499.57 = 196.22/x
  3. Step 3: Cross multiply
    362.01x = 499.57 × 196.22
  4. Step 4: Simplify right side
    362.01x = 98,025.63
  5. Step 5: Solve for x
    x = 98,025.63/362.01
  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.