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Finding the Fourth Proportional to 338.37, 467.04 and 207.49

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Solution

The fourth proportional to 338.37, 467.04 and 207.49 is: 286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.37 : 467.04 = 207.49 : x
  2. Step 2: Convert to fraction form
    338.37/467.04 = 207.49/x
  3. Step 3: Cross multiply
    338.37x = 467.04 × 207.49
  4. Step 4: Simplify right side
    338.37x = 96,906.13
  5. Step 5: Solve for x
    x = 96,906.13/338.37
  6. Step 6: Final answer
    x = 286.39

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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.