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Finding the Fourth Proportional to 439,553.25, 606,583.49 and 238,349.25

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Solution

The fourth proportional to 439,553.25, 606,583.49 and 238,349.25 is: 328,921.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,553.25 : 606,583.49 = 238,349.25 : x
  2. Step 2: Convert to fraction form
    439,553.25/606,583.49 = 238,349.25/x
  3. Step 3: Cross multiply
    439,553.25x = 606,583.49 × 238,349.25
  4. Step 4: Simplify right side
    439,553.25x = 144,578,718,712.14
  5. Step 5: Solve for x
    x = 144,578,718,712.14/439,553.25
  6. Step 6: Final answer
    x = 328,921.97

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