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Finding the Fourth Proportional to 362.11, 499.71 and 196.32

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Solution

The fourth proportional to 362.11, 499.71 and 196.32 is: 270.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.11 : 499.71 = 196.32 : x
  2. Step 2: Convert to fraction form
    362.11/499.71 = 196.32/x
  3. Step 3: Cross multiply
    362.11x = 499.71 × 196.32
  4. Step 4: Simplify right side
    362.11x = 98,103.07
  5. Step 5: Solve for x
    x = 98,103.07/362.11
  6. Step 6: Final answer
    x = 270.92

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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.