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Finding the Fourth Proportional to 519,413.87, 779,165.22 and 182,425.18

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Solution

The fourth proportional to 519,413.87, 779,165.22 and 182,425.18 is: 273,653.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,413.87 : 779,165.22 = 182,425.18 : x
  2. Step 2: Convert to fraction form
    519,413.87/779,165.22 = 182,425.18/x
  3. Step 3: Cross multiply
    519,413.87x = 779,165.22 × 182,425.18
  4. Step 4: Simplify right side
    519,413.87x = 142,139,355,508.24
  5. Step 5: Solve for x
    x = 142,139,355,508.24/519,413.87
  6. Step 6: Final answer
    x = 273,653.37

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Why These Related Problems?

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