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Finding the Fourth Proportional to 339.56, 468.60 and 192.19

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Solution

The fourth proportional to 339.56, 468.60 and 192.19 is: 265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.56 : 468.60 = 192.19 : x
  2. Step 2: Convert to fraction form
    339.56/468.60 = 192.19/x
  3. Step 3: Cross multiply
    339.56x = 468.60 × 192.19
  4. Step 4: Simplify right side
    339.56x = 90,057.89
  5. Step 5: Solve for x
    x = 90,057.89/339.56
  6. Step 6: Final answer
    x = 265.22

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