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Finding the Fourth Proportional to 633.14, 949.60 and 222.27

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Solution

The fourth proportional to 633.14, 949.60 and 222.27 is: 333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.14 : 949.60 = 222.27 : x
  2. Step 2: Convert to fraction form
    633.14/949.60 = 222.27/x
  3. Step 3: Cross multiply
    633.14x = 949.60 × 222.27
  4. Step 4: Simplify right side
    633.14x = 211,067.59
  5. Step 5: Solve for x
    x = 211,067.59/633.14
  6. Step 6: Final answer
    x = 333.37

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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.