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Finding the Fourth Proportional to 544,429.26, 816,641.10 and 139,619.61

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Solution

The fourth proportional to 544,429.26, 816,641.10 and 139,619.61 is: 209,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,429.26 : 816,641.10 = 139,619.61 : x
  2. Step 2: Convert to fraction form
    544,429.26/816,641.10 = 139,619.61/x
  3. Step 3: Cross multiply
    544,429.26x = 816,641.10 × 139,619.61
  4. Step 4: Simplify right side
    544,429.26x = 114,019,111,891.97
  5. Step 5: Solve for x
    x = 114,019,111,891.97/544,429.26
  6. Step 6: Final answer
    x = 209,428.70

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