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Finding the Fourth Proportional to 409,662.28, 614,071.20 and 156,873.72

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Solution

The fourth proportional to 409,662.28, 614,071.20 and 156,873.72 is: 235,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,662.28 : 614,071.20 = 156,873.72 : x
  2. Step 2: Convert to fraction form
    409,662.28/614,071.20 = 156,873.72/x
  3. Step 3: Cross multiply
    409,662.28x = 614,071.20 × 156,873.72
  4. Step 4: Simplify right side
    409,662.28x = 96,331,633,488.86
  5. Step 5: Solve for x
    x = 96,331,633,488.86/409,662.28
  6. Step 6: Final answer
    x = 235,148.90

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