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Finding the Fourth Proportional to 202.49, 303.56 and 196.37

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Solution

The fourth proportional to 202.49, 303.56 and 196.37 is: 294.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.49 : 303.56 = 196.37 : x
  2. Step 2: Convert to fraction form
    202.49/303.56 = 196.37/x
  3. Step 3: Cross multiply
    202.49x = 303.56 × 196.37
  4. Step 4: Simplify right side
    202.49x = 59,609.10
  5. Step 5: Solve for x
    x = 59,609.10/202.49
  6. Step 6: Final answer
    x = 294.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.