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Finding the Fourth Proportional to 338,694, 467,413.92 and 187,791

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Solution

The fourth proportional to 338,694, 467,413.92 and 187,791 is: 259,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,694 : 467,413.92 = 187,791 : x
  2. Step 2: Convert to fraction form
    338,694/467,413.92 = 187,791/x
  3. Step 3: Cross multiply
    338,694x = 467,413.92 × 187,791
  4. Step 4: Simplify right side
    338,694x = 87,776,127,450.72
  5. Step 5: Solve for x
    x = 87,776,127,450.72/338,694
  6. Step 6: Final answer
    x = 259,160.56

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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.