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Finding the Fourth Proportional to 655.00, 982.54 and 216.24

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Solution

The fourth proportional to 655.00, 982.54 and 216.24 is: 324.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.00 : 982.54 = 216.24 : x
  2. Step 2: Convert to fraction form
    655.00/982.54 = 216.24/x
  3. Step 3: Cross multiply
    655.00x = 982.54 × 216.24
  4. Step 4: Simplify right side
    655.00x = 212,469.63
  5. Step 5: Solve for x
    x = 212,469.63/655.00
  6. Step 6: Final answer
    x = 324.38

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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.