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Finding the Fourth Proportional to 338.58, 467.34 and 233.82

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Solution

The fourth proportional to 338.58, 467.34 and 233.82 is: 322.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.58 : 467.34 = 233.82 : x
  2. Step 2: Convert to fraction form
    338.58/467.34 = 233.82/x
  3. Step 3: Cross multiply
    338.58x = 467.34 × 233.82
  4. Step 4: Simplify right side
    338.58x = 109,273.44
  5. Step 5: Solve for x
    x = 109,273.44/338.58
  6. Step 6: Final answer
    x = 322.74

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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.