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Finding the Fourth Proportional to 354,026.88, 531,118.08 and 196,485.12

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Solution

The fourth proportional to 354,026.88, 531,118.08 and 196,485.12 is: 294,770.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,026.88 : 531,118.08 = 196,485.12 : x
  2. Step 2: Convert to fraction form
    354,026.88/531,118.08 = 196,485.12/x
  3. Step 3: Cross multiply
    354,026.88x = 531,118.08 × 196,485.12
  4. Step 4: Simplify right side
    354,026.88x = 104,356,799,682.97
  5. Step 5: Solve for x
    x = 104,356,799,682.97/354,026.88
  6. Step 6: Final answer
    x = 294,770.84

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