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Finding the Fourth Proportional to 492,724.80, 739,087.20 and 374,626.80

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Solution

The fourth proportional to 492,724.80, 739,087.20 and 374,626.80 is: 561,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,724.80 : 739,087.20 = 374,626.80 : x
  2. Step 2: Convert to fraction form
    492,724.80/739,087.20 = 374,626.80/x
  3. Step 3: Cross multiply
    492,724.80x = 739,087.20 × 374,626.80
  4. Step 4: Simplify right side
    492,724.80x = 276,881,872,656.96
  5. Step 5: Solve for x
    x = 276,881,872,656.96/492,724.80
  6. Step 6: Final answer
    x = 561,940.20

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