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Finding the Fourth Proportional to 556.08, 833.80 and 231.36

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Solution

The fourth proportional to 556.08, 833.80 and 231.36 is: 346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.08 : 833.80 = 231.36 : x
  2. Step 2: Convert to fraction form
    556.08/833.80 = 231.36/x
  3. Step 3: Cross multiply
    556.08x = 833.80 × 231.36
  4. Step 4: Simplify right side
    556.08x = 192,907.97
  5. Step 5: Solve for x
    x = 192,907.97/556.08
  6. Step 6: Final answer
    x = 346.91

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