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Finding the Fourth Proportional to 409,947.64, 565,729.83 and 226,192.56

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Solution

The fourth proportional to 409,947.64, 565,729.83 and 226,192.56 is: 312,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,947.64 : 565,729.83 = 226,192.56 : x
  2. Step 2: Convert to fraction form
    409,947.64/565,729.83 = 226,192.56/x
  3. Step 3: Cross multiply
    409,947.64x = 565,729.83 × 226,192.56
  4. Step 4: Simplify right side
    409,947.64x = 127,963,878,516.07
  5. Step 5: Solve for x
    x = 127,963,878,516.07/409,947.64
  6. Step 6: Final answer
    x = 312,146.88

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