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Finding the Fourth Proportional to 444,858.60, 667,287.90 and 396,935.40

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Solution

The fourth proportional to 444,858.60, 667,287.90 and 396,935.40 is: 595,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,858.60 : 667,287.90 = 396,935.40 : x
  2. Step 2: Convert to fraction form
    444,858.60/667,287.90 = 396,935.40/x
  3. Step 3: Cross multiply
    444,858.60x = 667,287.90 × 396,935.40
  4. Step 4: Simplify right side
    444,858.60x = 264,870,189,501.66
  5. Step 5: Solve for x
    x = 264,870,189,501.66/444,858.60
  6. Step 6: Final answer
    x = 595,403.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.