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Finding the Fourth Proportional to 343.46, 474.18 and 233.04

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Solution

The fourth proportional to 343.46, 474.18 and 233.04 is: 321.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.46 : 474.18 = 233.04 : x
  2. Step 2: Convert to fraction form
    343.46/474.18 = 233.04/x
  3. Step 3: Cross multiply
    343.46x = 474.18 × 233.04
  4. Step 4: Simplify right side
    343.46x = 110,502.91
  5. Step 5: Solve for x
    x = 110,502.91/343.46
  6. Step 6: Final answer
    x = 321.73

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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.