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Finding the Fourth Proportional to 451,717.68, 677,650.20 and 185,406.72

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Solution

The fourth proportional to 451,717.68, 677,650.20 and 185,406.72 is: 278,140.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,717.68 : 677,650.20 = 185,406.72 : x
  2. Step 2: Convert to fraction form
    451,717.68/677,650.20 = 185,406.72/x
  3. Step 3: Cross multiply
    451,717.68x = 677,650.20 × 185,406.72
  4. Step 4: Simplify right side
    451,717.68x = 125,640,900,889.34
  5. Step 5: Solve for x
    x = 125,640,900,889.34/451,717.68
  6. Step 6: Final answer
    x = 278,140.32

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