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Finding the Fourth Proportional to 350.80, 483.76 and 226.44

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Solution

The fourth proportional to 350.80, 483.76 and 226.44 is: 312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.80 : 483.76 = 226.44 : x
  2. Step 2: Convert to fraction form
    350.80/483.76 = 226.44/x
  3. Step 3: Cross multiply
    350.80x = 483.76 × 226.44
  4. Step 4: Simplify right side
    350.80x = 109,542.61
  5. Step 5: Solve for x
    x = 109,542.61/350.80
  6. Step 6: Final answer
    x = 312.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.