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Finding the Fourth Proportional to 294.35, 441.36 and 157.23

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Solution

The fourth proportional to 294.35, 441.36 and 157.23 is: 235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.35 : 441.36 = 157.23 : x
  2. Step 2: Convert to fraction form
    294.35/441.36 = 157.23/x
  3. Step 3: Cross multiply
    294.35x = 441.36 × 157.23
  4. Step 4: Simplify right side
    294.35x = 69,395.03
  5. Step 5: Solve for x
    x = 69,395.03/294.35
  6. Step 6: Final answer
    x = 235.76

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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.