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Finding the Fourth Proportional to 414,545.60, 620,781.60 and 331,601.60

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Solution

The fourth proportional to 414,545.60, 620,781.60 and 331,601.60 is: 496,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,545.60 : 620,781.60 = 331,601.60 : x
  2. Step 2: Convert to fraction form
    414,545.60/620,781.60 = 331,601.60/x
  3. Step 3: Cross multiply
    414,545.60x = 620,781.60 × 331,601.60
  4. Step 4: Simplify right side
    414,545.60x = 205,852,171,810.56
  5. Step 5: Solve for x
    x = 205,852,171,810.56/414,545.60
  6. Step 6: Final answer
    x = 496,573.05

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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.