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Finding the Fourth Proportional to 800,390.36, 1,104,515.26 and 437,806.42

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Solution

The fourth proportional to 800,390.36, 1,104,515.26 and 437,806.42 is: 604,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,390.36 : 1,104,515.26 = 437,806.42 : x
  2. Step 2: Convert to fraction form
    800,390.36/1,104,515.26 = 437,806.42/x
  3. Step 3: Cross multiply
    800,390.36x = 1,104,515.26 × 437,806.42
  4. Step 4: Simplify right side
    800,390.36x = 483,563,867,960.17
  5. Step 5: Solve for x
    x = 483,563,867,960.17/800,390.36
  6. Step 6: Final answer
    x = 604,160.03

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