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Finding the Fourth Proportional to 548.23, 822.69 and 223.60

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Solution

The fourth proportional to 548.23, 822.69 and 223.60 is: 335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.23 : 822.69 = 223.60 : x
  2. Step 2: Convert to fraction form
    548.23/822.69 = 223.60/x
  3. Step 3: Cross multiply
    548.23x = 822.69 × 223.60
  4. Step 4: Simplify right side
    548.23x = 183,951.34
  5. Step 5: Solve for x
    x = 183,951.34/548.23
  6. Step 6: Final answer
    x = 335.54

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