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Finding the Fourth Proportional to 562.75, 844.29 and 238.15

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Solution

The fourth proportional to 562.75, 844.29 and 238.15 is: 357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.75 : 844.29 = 238.15 : x
  2. Step 2: Convert to fraction form
    562.75/844.29 = 238.15/x
  3. Step 3: Cross multiply
    562.75x = 844.29 × 238.15
  4. Step 4: Simplify right side
    562.75x = 201,067.66
  5. Step 5: Solve for x
    x = 201,067.66/562.75
  6. Step 6: Final answer
    x = 357.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.