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Finding the Fourth Proportional to 294.26, 440.42 and 162.28

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Solution

The fourth proportional to 294.26, 440.42 and 162.28 is: 242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.26 : 440.42 = 162.28 : x
  2. Step 2: Convert to fraction form
    294.26/440.42 = 162.28/x
  3. Step 3: Cross multiply
    294.26x = 440.42 × 162.28
  4. Step 4: Simplify right side
    294.26x = 71,471.10
  5. Step 5: Solve for x
    x = 71,471.10/294.26
  6. Step 6: Final answer
    x = 242.89

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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.