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Finding the Fourth Proportional to 633.52, 949.70 and 222.43

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Solution

The fourth proportional to 633.52, 949.70 and 222.43 is: 333.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.52 : 949.70 = 222.43 : x
  2. Step 2: Convert to fraction form
    633.52/949.70 = 222.43/x
  3. Step 3: Cross multiply
    633.52x = 949.70 × 222.43
  4. Step 4: Simplify right side
    633.52x = 211,235.91
  5. Step 5: Solve for x
    x = 211,235.91/633.52
  6. Step 6: Final answer
    x = 333.43

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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.