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Finding the Fourth Proportional to 563.83, 845.17 and 270.90

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Solution

The fourth proportional to 563.83, 845.17 and 270.90 is: 406.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.83 : 845.17 = 270.90 : x
  2. Step 2: Convert to fraction form
    563.83/845.17 = 270.90/x
  3. Step 3: Cross multiply
    563.83x = 845.17 × 270.90
  4. Step 4: Simplify right side
    563.83x = 228,955.83
  5. Step 5: Solve for x
    x = 228,955.83/563.83
  6. Step 6: Final answer
    x = 406.07

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