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Finding the Fourth Proportional to 422,548.20, 633,863.70 and 123,031.80

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Solution

The fourth proportional to 422,548.20, 633,863.70 and 123,031.80 is: 184,559.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,548.20 : 633,863.70 = 123,031.80 : x
  2. Step 2: Convert to fraction form
    422,548.20/633,863.70 = 123,031.80/x
  3. Step 3: Cross multiply
    422,548.20x = 633,863.70 × 123,031.80
  4. Step 4: Simplify right side
    422,548.20x = 77,985,391,965.66
  5. Step 5: Solve for x
    x = 77,985,391,965.66/422,548.20
  6. Step 6: Final answer
    x = 184,559.75

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