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Finding the Fourth Proportional to 468,651.20, 702,976.80 and 450,280.40

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Solution

The fourth proportional to 468,651.20, 702,976.80 and 450,280.40 is: 675,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,651.20 : 702,976.80 = 450,280.40 : x
  2. Step 2: Convert to fraction form
    468,651.20/702,976.80 = 450,280.40/x
  3. Step 3: Cross multiply
    468,651.20x = 702,976.80 × 450,280.40
  4. Step 4: Simplify right side
    468,651.20x = 316,536,674,694.72
  5. Step 5: Solve for x
    x = 316,536,674,694.72/468,651.20
  6. Step 6: Final answer
    x = 675,420.60

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