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Finding the Fourth Proportional to 294.64, 441.72 and 123.44

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Solution

The fourth proportional to 294.64, 441.72 and 123.44 is: 185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.64 : 441.72 = 123.44 : x
  2. Step 2: Convert to fraction form
    294.64/441.72 = 123.44/x
  3. Step 3: Cross multiply
    294.64x = 441.72 × 123.44
  4. Step 4: Simplify right side
    294.64x = 54,525.92
  5. Step 5: Solve for x
    x = 54,525.92/294.64
  6. Step 6: Final answer
    x = 185.06

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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.