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Finding the Fourth Proportional to 321,798.46, 482,510.78 and 122,009.86

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Solution

The fourth proportional to 321,798.46, 482,510.78 and 122,009.86 is: 182,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,798.46 : 482,510.78 = 122,009.86 : x
  2. Step 2: Convert to fraction form
    321,798.46/482,510.78 = 122,009.86/x
  3. Step 3: Cross multiply
    321,798.46x = 482,510.78 × 122,009.86
  4. Step 4: Simplify right side
    321,798.46x = 58,871,073,884.45
  5. Step 5: Solve for x
    x = 58,871,073,884.45/321,798.46
  6. Step 6: Final answer
    x = 182,943.92

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