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Finding the Fourth Proportional to 416,502.28, 574,343.54 and 356,272.28

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Solution

The fourth proportional to 416,502.28, 574,343.54 and 356,272.28 is: 491,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,502.28 : 574,343.54 = 356,272.28 : x
  2. Step 2: Convert to fraction form
    416,502.28/574,343.54 = 356,272.28/x
  3. Step 3: Cross multiply
    416,502.28x = 574,343.54 × 356,272.28
  4. Step 4: Simplify right side
    416,502.28x = 204,622,682,499.07
  5. Step 5: Solve for x
    x = 204,622,682,499.07/416,502.28
  6. Step 6: Final answer
    x = 491,288.26

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