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Finding the Fourth Proportional to 482.97, 667.05 and 325.33

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Solution

The fourth proportional to 482.97, 667.05 and 325.33 is: 449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.97 : 667.05 = 325.33 : x
  2. Step 2: Convert to fraction form
    482.97/667.05 = 325.33/x
  3. Step 3: Cross multiply
    482.97x = 667.05 × 325.33
  4. Step 4: Simplify right side
    482.97x = 217,010.97
  5. Step 5: Solve for x
    x = 217,010.97/482.97
  6. Step 6: Final answer
    x = 449.32

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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.