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Finding the Fourth Proportional to 458.26, 632.61 and 351.03

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Solution

The fourth proportional to 458.26, 632.61 and 351.03 is: 484.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.26 : 632.61 = 351.03 : x
  2. Step 2: Convert to fraction form
    458.26/632.61 = 351.03/x
  3. Step 3: Cross multiply
    458.26x = 632.61 × 351.03
  4. Step 4: Simplify right side
    458.26x = 222,067.46
  5. Step 5: Solve for x
    x = 222,067.46/458.26
  6. Step 6: Final answer
    x = 484.59

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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.