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Finding the Fourth Proportional to 456.81, 685.06 and 182.83

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Solution

The fourth proportional to 456.81, 685.06 and 182.83 is: 274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    456.81 : 685.06 = 182.83 : x
  2. Step 2: Convert to fraction form
    456.81/685.06 = 182.83/x
  3. Step 3: Cross multiply
    456.81x = 685.06 × 182.83
  4. Step 4: Simplify right side
    456.81x = 125,249.52
  5. Step 5: Solve for x
    x = 125,249.52/456.81
  6. Step 6: Final answer
    x = 274.18

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