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Finding the Fourth Proportional to 338.44, 467 and 207.50

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Solution

The fourth proportional to 338.44, 467 and 207.50 is: 286.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.44 : 467 = 207.50 : x
  2. Step 2: Convert to fraction form
    338.44/467 = 207.50/x
  3. Step 3: Cross multiply
    338.44x = 467 × 207.50
  4. Step 4: Simplify right side
    338.44x = 96,902.50
  5. Step 5: Solve for x
    x = 96,902.50/338.44
  6. Step 6: Final answer
    x = 286.32

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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.