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Finding the Fourth Proportional to 336.75, 464.72 and 233.31

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Solution

The fourth proportional to 336.75, 464.72 and 233.31 is: 321.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.75 : 464.72 = 233.31 : x
  2. Step 2: Convert to fraction form
    336.75/464.72 = 233.31/x
  3. Step 3: Cross multiply
    336.75x = 464.72 × 233.31
  4. Step 4: Simplify right side
    336.75x = 108,422.66
  5. Step 5: Solve for x
    x = 108,422.66/336.75
  6. Step 6: Final answer
    x = 321.97

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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.