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Finding the Fourth Proportional to 338.72, 467.44 and 183.47

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Solution

The fourth proportional to 338.72, 467.44 and 183.47 is: 253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.72 : 467.44 = 183.47 : x
  2. Step 2: Convert to fraction form
    338.72/467.44 = 183.47/x
  3. Step 3: Cross multiply
    338.72x = 467.44 × 183.47
  4. Step 4: Simplify right side
    338.72x = 85,761.22
  5. Step 5: Solve for x
    x = 85,761.22/338.72
  6. Step 6: Final answer
    x = 253.19

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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.