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Finding the Fourth Proportional to 633.33, 949.95 and 222.44

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Solution

The fourth proportional to 633.33, 949.95 and 222.44 is: 333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.33 : 949.95 = 222.44 : x
  2. Step 2: Convert to fraction form
    633.33/949.95 = 222.44/x
  3. Step 3: Cross multiply
    633.33x = 949.95 × 222.44
  4. Step 4: Simplify right side
    633.33x = 211,302.13
  5. Step 5: Solve for x
    x = 211,302.13/633.33
  6. Step 6: Final answer
    x = 333.64

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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.