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Finding the Fourth Proportional to 792,326.40, 1,188,230.40 and 293,625.60

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Solution

The fourth proportional to 792,326.40, 1,188,230.40 and 293,625.60 is: 440,342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,326.40 : 1,188,230.40 = 293,625.60 : x
  2. Step 2: Convert to fraction form
    792,326.40/1,188,230.40 = 293,625.60/x
  3. Step 3: Cross multiply
    792,326.40x = 1,188,230.40 × 293,625.60
  4. Step 4: Simplify right side
    792,326.40x = 348,894,864,138.24
  5. Step 5: Solve for x
    x = 348,894,864,138.24/792,326.40
  6. Step 6: Final answer
    x = 440,342.34

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