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Finding the Fourth Proportional to 633.06, 949.90 and 222.02

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Solution

The fourth proportional to 633.06, 949.90 and 222.02 is: 333.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.06 : 949.90 = 222.02 : x
  2. Step 2: Convert to fraction form
    633.06/949.90 = 222.02/x
  3. Step 3: Cross multiply
    633.06x = 949.90 × 222.02
  4. Step 4: Simplify right side
    633.06x = 210,896.80
  5. Step 5: Solve for x
    x = 210,896.80/633.06
  6. Step 6: Final answer
    x = 333.14

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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.