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Finding the Fourth Proportional to 362.26, 499.91 and 196.47

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Solution

The fourth proportional to 362.26, 499.91 and 196.47 is: 271.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.26 : 499.91 = 196.47 : x
  2. Step 2: Convert to fraction form
    362.26/499.91 = 196.47/x
  3. Step 3: Cross multiply
    362.26x = 499.91 × 196.47
  4. Step 4: Simplify right side
    362.26x = 98,213.84
  5. Step 5: Solve for x
    x = 98,213.84/362.26
  6. Step 6: Final answer
    x = 271.12

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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.