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Finding the Fourth Proportional to 626,449.20, 937,600.20 and 485,444.40

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Solution

The fourth proportional to 626,449.20, 937,600.20 and 485,444.40 is: 726,559.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,449.20 : 937,600.20 = 485,444.40 : x
  2. Step 2: Convert to fraction form
    626,449.20/937,600.20 = 485,444.40/x
  3. Step 3: Cross multiply
    626,449.20x = 937,600.20 × 485,444.40
  4. Step 4: Simplify right side
    626,449.20x = 455,152,766,528.88
  5. Step 5: Solve for x
    x = 455,152,766,528.88/626,449.20
  6. Step 6: Final answer
    x = 726,559.74

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