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Finding the Fourth Proportional to 413,110.20, 619,665.30 and 397,363.80

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Solution

The fourth proportional to 413,110.20, 619,665.30 and 397,363.80 is: 596,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,110.20 : 619,665.30 = 397,363.80 : x
  2. Step 2: Convert to fraction form
    413,110.20/619,665.30 = 397,363.80/x
  3. Step 3: Cross multiply
    413,110.20x = 619,665.30 × 397,363.80
  4. Step 4: Simplify right side
    413,110.20x = 246,232,558,336.14
  5. Step 5: Solve for x
    x = 246,232,558,336.14/413,110.20
  6. Step 6: Final answer
    x = 596,045.70

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