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Finding the Fourth Proportional to 633.24, 949.56 and 222.24

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Solution

The fourth proportional to 633.24, 949.56 and 222.24 is: 333.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.24 : 949.56 = 222.24 : x
  2. Step 2: Convert to fraction form
    633.24/949.56 = 222.24/x
  3. Step 3: Cross multiply
    633.24x = 949.56 × 222.24
  4. Step 4: Simplify right side
    633.24x = 211,030.21
  5. Step 5: Solve for x
    x = 211,030.21/633.24
  6. Step 6: Final answer
    x = 333.25

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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.