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Finding the Fourth Proportional to 331,036.48, 496,259.40 and 275,333.56

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Solution

The fourth proportional to 331,036.48, 496,259.40 and 275,333.56 is: 412,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,036.48 : 496,259.40 = 275,333.56 : x
  2. Step 2: Convert to fraction form
    331,036.48/496,259.40 = 275,333.56/x
  3. Step 3: Cross multiply
    331,036.48x = 496,259.40 × 275,333.56
  4. Step 4: Simplify right side
    331,036.48x = 136,636,867,285.46
  5. Step 5: Solve for x
    x = 136,636,867,285.46/331,036.48
  6. Step 6: Final answer
    x = 412,754.71

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