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Finding the Fourth Proportional to 399,116.94, 598,500.81 and 149,623.98

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Solution

The fourth proportional to 399,116.94, 598,500.81 and 149,623.98 is: 224,370.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,116.94 : 598,500.81 = 149,623.98 : x
  2. Step 2: Convert to fraction form
    399,116.94/598,500.81 = 149,623.98/x
  3. Step 3: Cross multiply
    399,116.94x = 598,500.81 × 149,623.98
  4. Step 4: Simplify right side
    399,116.94x = 89,550,073,225.42
  5. Step 5: Solve for x
    x = 89,550,073,225.42/399,116.94
  6. Step 6: Final answer
    x = 224,370.51

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