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Finding the Fourth Proportional to 632.91, 949.62 and 222.34

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Solution

The fourth proportional to 632.91, 949.62 and 222.34 is: 333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.91 : 949.62 = 222.34 : x
  2. Step 2: Convert to fraction form
    632.91/949.62 = 222.34/x
  3. Step 3: Cross multiply
    632.91x = 949.62 × 222.34
  4. Step 4: Simplify right side
    632.91x = 211,140.88
  5. Step 5: Solve for x
    x = 211,140.88/632.91
  6. Step 6: Final answer
    x = 333.60

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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.