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Finding the Fourth Proportional to 709,364.44, 978,946.55 and 387,092.22

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Solution

The fourth proportional to 709,364.44, 978,946.55 and 387,092.22 is: 534,200.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,364.44 : 978,946.55 = 387,092.22 : x
  2. Step 2: Convert to fraction form
    709,364.44/978,946.55 = 387,092.22/x
  3. Step 3: Cross multiply
    709,364.44x = 978,946.55 × 387,092.22
  4. Step 4: Simplify right side
    709,364.44x = 378,942,593,300.84
  5. Step 5: Solve for x
    x = 378,942,593,300.84/709,364.44
  6. Step 6: Final answer
    x = 534,200.15

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