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Finding the Fourth Proportional to 294.29, 441.28 and 131.95

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Solution

The fourth proportional to 294.29, 441.28 and 131.95 is: 197.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.29 : 441.28 = 131.95 : x
  2. Step 2: Convert to fraction form
    294.29/441.28 = 131.95/x
  3. Step 3: Cross multiply
    294.29x = 441.28 × 131.95
  4. Step 4: Simplify right side
    294.29x = 58,226.90
  5. Step 5: Solve for x
    x = 58,226.90/294.29
  6. Step 6: Final answer
    x = 197.86

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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.