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Finding the Fourth Proportional to 294.44, 441.85 and 255.86

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Solution

The fourth proportional to 294.44, 441.85 and 255.86 is: 383.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.44 : 441.85 = 255.86 : x
  2. Step 2: Convert to fraction form
    294.44/441.85 = 255.86/x
  3. Step 3: Cross multiply
    294.44x = 441.85 × 255.86
  4. Step 4: Simplify right side
    294.44x = 113,050.31
  5. Step 5: Solve for x
    x = 113,050.31/294.44
  6. Step 6: Final answer
    x = 383.96

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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.