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Finding the Fourth Proportional to 490,683.20, 736,024.80 and 455,253.80

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Solution

The fourth proportional to 490,683.20, 736,024.80 and 455,253.80 is: 682,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,683.20 : 736,024.80 = 455,253.80 : x
  2. Step 2: Convert to fraction form
    490,683.20/736,024.80 = 455,253.80/x
  3. Step 3: Cross multiply
    490,683.20x = 736,024.80 × 455,253.80
  4. Step 4: Simplify right side
    490,683.20x = 335,078,087,094.24
  5. Step 5: Solve for x
    x = 335,078,087,094.24/490,683.20
  6. Step 6: Final answer
    x = 682,880.70

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