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Finding the Fourth Proportional to 562.80, 844.56 and 238.44

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Solution

The fourth proportional to 562.80, 844.56 and 238.44 is: 357.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.80 : 844.56 = 238.44 : x
  2. Step 2: Convert to fraction form
    562.80/844.56 = 238.44/x
  3. Step 3: Cross multiply
    562.80x = 844.56 × 238.44
  4. Step 4: Simplify right side
    562.80x = 201,376.89
  5. Step 5: Solve for x
    x = 201,376.89/562.80
  6. Step 6: Final answer
    x = 357.81

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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.