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Finding the Fourth Proportional to 338.33, 467.22 and 233.69

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Solution

The fourth proportional to 338.33, 467.22 and 233.69 is: 322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.33 : 467.22 = 233.69 : x
  2. Step 2: Convert to fraction form
    338.33/467.22 = 233.69/x
  3. Step 3: Cross multiply
    338.33x = 467.22 × 233.69
  4. Step 4: Simplify right side
    338.33x = 109,183.35
  5. Step 5: Solve for x
    x = 109,183.35/338.33
  6. Step 6: Final answer
    x = 322.72

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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.