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Finding the Fourth Proportional to 635.28, 952.74 and 224.36

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Solution

The fourth proportional to 635.28, 952.74 and 224.36 is: 336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.28 : 952.74 = 224.36 : x
  2. Step 2: Convert to fraction form
    635.28/952.74 = 224.36/x
  3. Step 3: Cross multiply
    635.28x = 952.74 × 224.36
  4. Step 4: Simplify right side
    635.28x = 213,751.98
  5. Step 5: Solve for x
    x = 213,751.98/635.28
  6. Step 6: Final answer
    x = 336.47

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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.