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Finding the Fourth Proportional to 296.28, 443.79 and 273.60

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Solution

The fourth proportional to 296.28, 443.79 and 273.60 is: 409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.28 : 443.79 = 273.60 : x
  2. Step 2: Convert to fraction form
    296.28/443.79 = 273.60/x
  3. Step 3: Cross multiply
    296.28x = 443.79 × 273.60
  4. Step 4: Simplify right side
    296.28x = 121,420.94
  5. Step 5: Solve for x
    x = 121,420.94/296.28
  6. Step 6: Final answer
    x = 409.82

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