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Finding the Fourth Proportional to 294.17, 441.26 and 131.67

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Solution

The fourth proportional to 294.17, 441.26 and 131.67 is: 197.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.17 : 441.26 = 131.67 : x
  2. Step 2: Convert to fraction form
    294.17/441.26 = 131.67/x
  3. Step 3: Cross multiply
    294.17x = 441.26 × 131.67
  4. Step 4: Simplify right side
    294.17x = 58,101.03
  5. Step 5: Solve for x
    x = 58,101.03/294.17
  6. Step 6: Final answer
    x = 197.51

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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.