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Finding the Fourth Proportional to 608,586.40, 912,901.20 and 187,861.60

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Solution

The fourth proportional to 608,586.40, 912,901.20 and 187,861.60 is: 281,799.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,586.40 : 912,901.20 = 187,861.60 : x
  2. Step 2: Convert to fraction form
    608,586.40/912,901.20 = 187,861.60/x
  3. Step 3: Cross multiply
    608,586.40x = 912,901.20 × 187,861.60
  4. Step 4: Simplify right side
    608,586.40x = 171,499,080,073.92
  5. Step 5: Solve for x
    x = 171,499,080,073.92/608,586.40
  6. Step 6: Final answer
    x = 281,799.07

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