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Finding the Fourth Proportional to 481.76, 722.54 and 173.63

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Solution

The fourth proportional to 481.76, 722.54 and 173.63 is: 260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.76 : 722.54 = 173.63 : x
  2. Step 2: Convert to fraction form
    481.76/722.54 = 173.63/x
  3. Step 3: Cross multiply
    481.76x = 722.54 × 173.63
  4. Step 4: Simplify right side
    481.76x = 125,456.86
  5. Step 5: Solve for x
    x = 125,456.86/481.76
  6. Step 6: Final answer
    x = 260.41

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