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Finding the Fourth Proportional to 563.15, 844.50 and 238.43

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Solution

The fourth proportional to 563.15, 844.50 and 238.43 is: 357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.15 : 844.50 = 238.43 : x
  2. Step 2: Convert to fraction form
    563.15/844.50 = 238.43/x
  3. Step 3: Cross multiply
    563.15x = 844.50 × 238.43
  4. Step 4: Simplify right side
    563.15x = 201,354.14
  5. Step 5: Solve for x
    x = 201,354.14/563.15
  6. Step 6: Final answer
    x = 357.55

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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.