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Finding the Fourth Proportional to 611,209.94, 843,429.71 and 339,264.59

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Solution

The fourth proportional to 611,209.94, 843,429.71 and 339,264.59 is: 468,162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,209.94 : 843,429.71 = 339,264.59 : x
  2. Step 2: Convert to fraction form
    611,209.94/843,429.71 = 339,264.59/x
  3. Step 3: Cross multiply
    611,209.94x = 843,429.71 × 339,264.59
  4. Step 4: Simplify right side
    611,209.94x = 286,145,831,387.98
  5. Step 5: Solve for x
    x = 286,145,831,387.98/611,209.94
  6. Step 6: Final answer
    x = 468,162.93

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