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Finding the Fourth Proportional to 605,367.88, 835,413.30 and 333,436.76

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Solution

The fourth proportional to 605,367.88, 835,413.30 and 333,436.76 is: 460,145.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,367.88 : 835,413.30 = 333,436.76 : x
  2. Step 2: Convert to fraction form
    605,367.88/835,413.30 = 333,436.76/x
  3. Step 3: Cross multiply
    605,367.88x = 835,413.30 × 333,436.76
  4. Step 4: Simplify right side
    605,367.88x = 278,557,504,012.91
  5. Step 5: Solve for x
    x = 278,557,504,012.91/605,367.88
  6. Step 6: Final answer
    x = 460,145.83

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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.