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Finding the Fourth Proportional to 618,342.84, 927,864.96 and 263,319.84

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Solution

The fourth proportional to 618,342.84, 927,864.96 and 263,319.84 is: 395,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,342.84 : 927,864.96 = 263,319.84 : x
  2. Step 2: Convert to fraction form
    618,342.84/927,864.96 = 263,319.84/x
  3. Step 3: Cross multiply
    618,342.84x = 927,864.96 × 263,319.84
  4. Step 4: Simplify right side
    618,342.84x = 244,325,252,808.81
  5. Step 5: Solve for x
    x = 244,325,252,808.81/618,342.84
  6. Step 6: Final answer
    x = 395,129.10

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