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Finding the Fourth Proportional to 299, 412.67 and 182.63

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Solution

The fourth proportional to 299, 412.67 and 182.63 is: 252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    299 : 412.67 = 182.63 : x
  2. Step 2: Convert to fraction form
    299/412.67 = 182.63/x
  3. Step 3: Cross multiply
    299x = 412.67 × 182.63
  4. Step 4: Simplify right side
    299x = 75,365.01
  5. Step 5: Solve for x
    x = 75,365.01/299
  6. Step 6: Final answer
    x = 252.06

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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.