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Finding the Fourth Proportional to 294.26, 441.24 and 157.38

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Solution

The fourth proportional to 294.26, 441.24 and 157.38 is: 235.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.26 : 441.24 = 157.38 : x
  2. Step 2: Convert to fraction form
    294.26/441.24 = 157.38/x
  3. Step 3: Cross multiply
    294.26x = 441.24 × 157.38
  4. Step 4: Simplify right side
    294.26x = 69,442.35
  5. Step 5: Solve for x
    x = 69,442.35/294.26
  6. Step 6: Final answer
    x = 235.99

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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.