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Finding the Fourth Proportional to 340,600.80, 510,901.20 and 193,144.80

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Solution

The fourth proportional to 340,600.80, 510,901.20 and 193,144.80 is: 289,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,600.80 : 510,901.20 = 193,144.80 : x
  2. Step 2: Convert to fraction form
    340,600.80/510,901.20 = 193,144.80/x
  3. Step 3: Cross multiply
    340,600.80x = 510,901.20 × 193,144.80
  4. Step 4: Simplify right side
    340,600.80x = 98,677,910,093.76
  5. Step 5: Solve for x
    x = 98,677,910,093.76/340,600.80
  6. Step 6: Final answer
    x = 289,717.20

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