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Finding the Fourth Proportional to 675.82, 932.59 and 396.05

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Solution

The fourth proportional to 675.82, 932.59 and 396.05 is: 546.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.82 : 932.59 = 396.05 : x
  2. Step 2: Convert to fraction form
    675.82/932.59 = 396.05/x
  3. Step 3: Cross multiply
    675.82x = 932.59 × 396.05
  4. Step 4: Simplify right side
    675.82x = 369,352.27
  5. Step 5: Solve for x
    x = 369,352.27/675.82
  6. Step 6: Final answer
    x = 546.52

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