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Finding the Fourth Proportional to 559.92, 839.52 and 366.96

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Solution

The fourth proportional to 559.92, 839.52 and 366.96 is: 550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.92 : 839.52 = 366.96 : x
  2. Step 2: Convert to fraction form
    559.92/839.52 = 366.96/x
  3. Step 3: Cross multiply
    559.92x = 839.52 × 366.96
  4. Step 4: Simplify right side
    559.92x = 308,070.26
  5. Step 5: Solve for x
    x = 308,070.26/559.92
  6. Step 6: Final answer
    x = 550.20

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