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Finding the Fourth Proportional to 338.63, 467.30 and 183.38

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Solution

The fourth proportional to 338.63, 467.30 and 183.38 is: 253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.63 : 467.30 = 183.38 : x
  2. Step 2: Convert to fraction form
    338.63/467.30 = 183.38/x
  3. Step 3: Cross multiply
    338.63x = 467.30 × 183.38
  4. Step 4: Simplify right side
    338.63x = 85,691.60
  5. Step 5: Solve for x
    x = 85,691.60/338.63
  6. Step 6: Final answer
    x = 253.06

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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.