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Finding the Fourth Proportional to 294,520.40, 441,838.20 and 126,040.40

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Solution

The fourth proportional to 294,520.40, 441,838.20 and 126,040.40 is: 189,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,520.40 : 441,838.20 = 126,040.40 : x
  2. Step 2: Convert to fraction form
    294,520.40/441,838.20 = 126,040.40/x
  3. Step 3: Cross multiply
    294,520.40x = 441,838.20 × 126,040.40
  4. Step 4: Simplify right side
    294,520.40x = 55,689,463,463.28
  5. Step 5: Solve for x
    x = 55,689,463,463.28/294,520.40
  6. Step 6: Final answer
    x = 189,085.25

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