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Finding the Fourth Proportional to 558.39, 837.60 and 269.64

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Solution

The fourth proportional to 558.39, 837.60 and 269.64 is: 404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.39 : 837.60 = 269.64 : x
  2. Step 2: Convert to fraction form
    558.39/837.60 = 269.64/x
  3. Step 3: Cross multiply
    558.39x = 837.60 × 269.64
  4. Step 4: Simplify right side
    558.39x = 225,850.46
  5. Step 5: Solve for x
    x = 225,850.46/558.39
  6. Step 6: Final answer
    x = 404.47

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