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Finding the Fourth Proportional to 634.96, 951.80 and 224

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Solution

The fourth proportional to 634.96, 951.80 and 224 is: 335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.96 : 951.80 = 224 : x
  2. Step 2: Convert to fraction form
    634.96/951.80 = 224/x
  3. Step 3: Cross multiply
    634.96x = 951.80 × 224
  4. Step 4: Simplify right side
    634.96x = 213,203.20
  5. Step 5: Solve for x
    x = 213,203.20/634.96
  6. Step 6: Final answer
    x = 335.77

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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.