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Finding the Fourth Proportional to 635.32, 953.10 and 196.54

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Solution

The fourth proportional to 635.32, 953.10 and 196.54 is: 294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.32 : 953.10 = 196.54 : x
  2. Step 2: Convert to fraction form
    635.32/953.10 = 196.54/x
  3. Step 3: Cross multiply
    635.32x = 953.10 × 196.54
  4. Step 4: Simplify right side
    635.32x = 187,322.27
  5. Step 5: Solve for x
    x = 187,322.27/635.32
  6. Step 6: Final answer
    x = 294.85

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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.