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Finding the Fourth Proportional to 222.02, 304.76 and 196.91

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Solution

The fourth proportional to 222.02, 304.76 and 196.91 is: 270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.02 : 304.76 = 196.91 : x
  2. Step 2: Convert to fraction form
    222.02/304.76 = 196.91/x
  3. Step 3: Cross multiply
    222.02x = 304.76 × 196.91
  4. Step 4: Simplify right side
    222.02x = 60,010.29
  5. Step 5: Solve for x
    x = 60,010.29/222.02
  6. Step 6: Final answer
    x = 270.29

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.