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Finding the Fourth Proportional to 294.62, 441.93 and 123.74

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Solution

The fourth proportional to 294.62, 441.93 and 123.74 is: 185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.62 : 441.93 = 123.74 : x
  2. Step 2: Convert to fraction form
    294.62/441.93 = 123.74/x
  3. Step 3: Cross multiply
    294.62x = 441.93 × 123.74
  4. Step 4: Simplify right side
    294.62x = 54,684.42
  5. Step 5: Solve for x
    x = 54,684.42/294.62
  6. Step 6: Final answer
    x = 185.61

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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.