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Finding the Fourth Proportional to 563.12, 844.60 and 238.41

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Solution

The fourth proportional to 563.12, 844.60 and 238.41 is: 357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.12 : 844.60 = 238.41 : x
  2. Step 2: Convert to fraction form
    563.12/844.60 = 238.41/x
  3. Step 3: Cross multiply
    563.12x = 844.60 × 238.41
  4. Step 4: Simplify right side
    563.12x = 201,361.09
  5. Step 5: Solve for x
    x = 201,361.09/563.12
  6. Step 6: Final answer
    x = 357.58

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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.