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Finding the Fourth Proportional to 346.16, 519 and 163.68

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Solution

The fourth proportional to 346.16, 519 and 163.68 is: 245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.16 : 519 = 163.68 : x
  2. Step 2: Convert to fraction form
    346.16/519 = 163.68/x
  3. Step 3: Cross multiply
    346.16x = 519 × 163.68
  4. Step 4: Simplify right side
    346.16x = 84,949.92
  5. Step 5: Solve for x
    x = 84,949.92/346.16
  6. Step 6: Final answer
    x = 245.41

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