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Finding the Fourth Proportional to 563.36, 844.56 and 216.54

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Solution

The fourth proportional to 563.36, 844.56 and 216.54 is: 324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.36 : 844.56 = 216.54 : x
  2. Step 2: Convert to fraction form
    563.36/844.56 = 216.54/x
  3. Step 3: Cross multiply
    563.36x = 844.56 × 216.54
  4. Step 4: Simplify right side
    563.36x = 182,881.02
  5. Step 5: Solve for x
    x = 182,881.02/563.36
  6. Step 6: Final answer
    x = 324.63

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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.