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Finding the Fourth Proportional to 635.34, 952.88 and 196.50

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Solution

The fourth proportional to 635.34, 952.88 and 196.50 is: 294.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.34 : 952.88 = 196.50 : x
  2. Step 2: Convert to fraction form
    635.34/952.88 = 196.50/x
  3. Step 3: Cross multiply
    635.34x = 952.88 × 196.50
  4. Step 4: Simplify right side
    635.34x = 187,239.94
  5. Step 5: Solve for x
    x = 187,239.94/635.34
  6. Step 6: Final answer
    x = 294.71

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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.