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Finding the Fourth Proportional to 548.88, 823.31 and 224.02

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Solution

The fourth proportional to 548.88, 823.31 and 224.02 is: 336.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.88 : 823.31 = 224.02 : x
  2. Step 2: Convert to fraction form
    548.88/823.31 = 224.02/x
  3. Step 3: Cross multiply
    548.88x = 823.31 × 224.02
  4. Step 4: Simplify right side
    548.88x = 184,435.28
  5. Step 5: Solve for x
    x = 184,435.28/548.88
  6. Step 6: Final answer
    x = 336.02

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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.