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Finding the Fourth Proportional to 605,862.45, 908,793.68 and 179,413.65

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Solution

The fourth proportional to 605,862.45, 908,793.68 and 179,413.65 is: 269,120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,862.45 : 908,793.68 = 179,413.65 : x
  2. Step 2: Convert to fraction form
    605,862.45/908,793.68 = 179,413.65/x
  3. Step 3: Cross multiply
    605,862.45x = 908,793.68 × 179,413.65
  4. Step 4: Simplify right side
    605,862.45x = 163,049,990,328.66
  5. Step 5: Solve for x
    x = 163,049,990,328.66/605,862.45
  6. Step 6: Final answer
    x = 269,120.48

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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.