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Finding the Fourth Proportional to 654.08, 980.84 and 264.06

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Solution

The fourth proportional to 654.08, 980.84 and 264.06 is: 395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.08 : 980.84 = 264.06 : x
  2. Step 2: Convert to fraction form
    654.08/980.84 = 264.06/x
  3. Step 3: Cross multiply
    654.08x = 980.84 × 264.06
  4. Step 4: Simplify right side
    654.08x = 259,000.61
  5. Step 5: Solve for x
    x = 259,000.61/654.08
  6. Step 6: Final answer
    x = 395.98

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