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Finding the Fourth Proportional to 563.48, 844.80 and 216.68

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Solution

The fourth proportional to 563.48, 844.80 and 216.68 is: 324.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.48 : 844.80 = 216.68 : x
  2. Step 2: Convert to fraction form
    563.48/844.80 = 216.68/x
  3. Step 3: Cross multiply
    563.48x = 844.80 × 216.68
  4. Step 4: Simplify right side
    563.48x = 183,051.26
  5. Step 5: Solve for x
    x = 183,051.26/563.48
  6. Step 6: Final answer
    x = 324.86

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