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Finding the Fourth Proportional to 310,216.69, 465,718.76 and 263,764.81

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Solution

The fourth proportional to 310,216.69, 465,718.76 and 263,764.81 is: 395,981.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,216.69 : 465,718.76 = 263,764.81 : x
  2. Step 2: Convert to fraction form
    310,216.69/465,718.76 = 263,764.81/x
  3. Step 3: Cross multiply
    310,216.69x = 465,718.76 × 263,764.81
  4. Step 4: Simplify right side
    310,216.69x = 122,840,219,361.29
  5. Step 5: Solve for x
    x = 122,840,219,361.29/310,216.69
  6. Step 6: Final answer
    x = 395,981.99

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