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Finding the Fourth Proportional to 350.74, 483.75 and 226.42

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Solution

The fourth proportional to 350.74, 483.75 and 226.42 is: 312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.74 : 483.75 = 226.42 : x
  2. Step 2: Convert to fraction form
    350.74/483.75 = 226.42/x
  3. Step 3: Cross multiply
    350.74x = 483.75 × 226.42
  4. Step 4: Simplify right side
    350.74x = 109,530.68
  5. Step 5: Solve for x
    x = 109,530.68/350.74
  6. Step 6: Final answer
    x = 312.28

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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.