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Finding the Fourth Proportional to 262.53, 362.16 and 196.02

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Solution

The fourth proportional to 262.53, 362.16 and 196.02 is: 270.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.53 : 362.16 = 196.02 : x
  2. Step 2: Convert to fraction form
    262.53/362.16 = 196.02/x
  3. Step 3: Cross multiply
    262.53x = 362.16 × 196.02
  4. Step 4: Simplify right side
    262.53x = 70,990.60
  5. Step 5: Solve for x
    x = 70,990.60/262.53
  6. Step 6: Final answer
    x = 270.41

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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.