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Finding the Fourth Proportional to 426,530.36, 639,793.70 and 173,754.48

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Solution

The fourth proportional to 426,530.36, 639,793.70 and 173,754.48 is: 260,630.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,530.36 : 639,793.70 = 173,754.48 : x
  2. Step 2: Convert to fraction form
    426,530.36/639,793.70 = 173,754.48/x
  3. Step 3: Cross multiply
    426,530.36x = 639,793.70 × 173,754.48
  4. Step 4: Simplify right side
    426,530.36x = 111,167,021,650.78
  5. Step 5: Solve for x
    x = 111,167,021,650.78/426,530.36
  6. Step 6: Final answer
    x = 260,630.97

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