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Finding the Fourth Proportional to 339.11, 467.98 and 183.86

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Solution

The fourth proportional to 339.11, 467.98 and 183.86 is: 253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.11 : 467.98 = 183.86 : x
  2. Step 2: Convert to fraction form
    339.11/467.98 = 183.86/x
  3. Step 3: Cross multiply
    339.11x = 467.98 × 183.86
  4. Step 4: Simplify right side
    339.11x = 86,041.88
  5. Step 5: Solve for x
    x = 86,041.88/339.11
  6. Step 6: Final answer
    x = 253.73

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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.