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Finding the Fourth Proportional to 581,378.97, 802,694.40 and 519,934.26

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Solution

The fourth proportional to 581,378.97, 802,694.40 and 519,934.26 is: 717,859.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,378.97 : 802,694.40 = 519,934.26 : x
  2. Step 2: Convert to fraction form
    581,378.97/802,694.40 = 519,934.26/x
  3. Step 3: Cross multiply
    581,378.97x = 802,694.40 × 519,934.26
  4. Step 4: Simplify right side
    581,378.97x = 417,348,318,870.14
  5. Step 5: Solve for x
    x = 417,348,318,870.14/581,378.97
  6. Step 6: Final answer
    x = 717,859.33

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