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Finding the Fourth Proportional to 294.17, 441.25 and 111.56

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Solution

The fourth proportional to 294.17, 441.25 and 111.56 is: 167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.17 : 441.25 = 111.56 : x
  2. Step 2: Convert to fraction form
    294.17/441.25 = 111.56/x
  3. Step 3: Cross multiply
    294.17x = 441.25 × 111.56
  4. Step 4: Simplify right side
    294.17x = 49,227.48
  5. Step 5: Solve for x
    x = 49,227.48/294.17
  6. Step 6: Final answer
    x = 167.34

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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.