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Finding the Fourth Proportional to 777,098.56, 1,165,713.46 and 216,133.06

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Solution

The fourth proportional to 777,098.56, 1,165,713.46 and 216,133.06 is: 324,217.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,098.56 : 1,165,713.46 = 216,133.06 : x
  2. Step 2: Convert to fraction form
    777,098.56/1,165,713.46 = 216,133.06/x
  3. Step 3: Cross multiply
    777,098.56x = 1,165,713.46 × 216,133.06
  4. Step 4: Simplify right side
    777,098.56x = 251,949,217,192.99
  5. Step 5: Solve for x
    x = 251,949,217,192.99/777,098.56
  6. Step 6: Final answer
    x = 324,217.84

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