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Finding the Fourth Proportional to 276,611.40, 414,917.10 and 171,635.40

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Solution

The fourth proportional to 276,611.40, 414,917.10 and 171,635.40 is: 257,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,611.40 : 414,917.10 = 171,635.40 : x
  2. Step 2: Convert to fraction form
    276,611.40/414,917.10 = 171,635.40/x
  3. Step 3: Cross multiply
    276,611.40x = 414,917.10 × 171,635.40
  4. Step 4: Simplify right side
    276,611.40x = 71,214,462,425.34
  5. Step 5: Solve for x
    x = 71,214,462,425.34/276,611.40
  6. Step 6: Final answer
    x = 257,453.10

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