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Finding the Fourth Proportional to 542,261.70, 813,392.55 and 276,541.20

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Solution

The fourth proportional to 542,261.70, 813,392.55 and 276,541.20 is: 414,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,261.70 : 813,392.55 = 276,541.20 : x
  2. Step 2: Convert to fraction form
    542,261.70/813,392.55 = 276,541.20/x
  3. Step 3: Cross multiply
    542,261.70x = 813,392.55 × 276,541.20
  4. Step 4: Simplify right side
    542,261.70x = 224,936,551,848.06
  5. Step 5: Solve for x
    x = 224,936,551,848.06/542,261.70
  6. Step 6: Final answer
    x = 414,811.80

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