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Finding the Fourth Proportional to 494.05, 681.75 and 273.00

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Solution

The fourth proportional to 494.05, 681.75 and 273.00 is: 376.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.05 : 681.75 = 273.00 : x
  2. Step 2: Convert to fraction form
    494.05/681.75 = 273.00/x
  3. Step 3: Cross multiply
    494.05x = 681.75 × 273.00
  4. Step 4: Simplify right side
    494.05x = 186,114.34
  5. Step 5: Solve for x
    x = 186,114.34/494.05
  6. Step 6: Final answer
    x = 376.72

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