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Finding the Fourth Proportional to 331,413.98, 457,393.96 and 202,325.39

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Solution

The fourth proportional to 331,413.98, 457,393.96 and 202,325.39 is: 279,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,413.98 : 457,393.96 = 202,325.39 : x
  2. Step 2: Convert to fraction form
    331,413.98/457,393.96 = 202,325.39/x
  3. Step 3: Cross multiply
    331,413.98x = 457,393.96 × 202,325.39
  4. Step 4: Simplify right side
    331,413.98x = 92,542,414,163.69
  5. Step 5: Solve for x
    x = 92,542,414,163.69/331,413.98
  6. Step 6: Final answer
    x = 279,235.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.