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Finding the Fourth Proportional to 343.38, 473.58 and 226.92

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Solution

The fourth proportional to 343.38, 473.58 and 226.92 is: 312.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.38 : 473.58 = 226.92 : x
  2. Step 2: Convert to fraction form
    343.38/473.58 = 226.92/x
  3. Step 3: Cross multiply
    343.38x = 473.58 × 226.92
  4. Step 4: Simplify right side
    343.38x = 107,464.77
  5. Step 5: Solve for x
    x = 107,464.77/343.38
  6. Step 6: Final answer
    x = 312.96

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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.