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Finding the Fourth Proportional to 331,018.48, 496,232.40 and 275,315.56

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Solution

The fourth proportional to 331,018.48, 496,232.40 and 275,315.56 is: 412,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,018.48 : 496,232.40 = 275,315.56 : x
  2. Step 2: Convert to fraction form
    331,018.48/496,232.40 = 275,315.56/x
  3. Step 3: Cross multiply
    331,018.48x = 496,232.40 × 275,315.56
  4. Step 4: Simplify right side
    331,018.48x = 136,620,501,096.14
  5. Step 5: Solve for x
    x = 136,620,501,096.14/331,018.48
  6. Step 6: Final answer
    x = 412,727.72

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