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Finding the Fourth Proportional to 270,733.33, 405,656.11 and 191,705.68

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Solution

The fourth proportional to 270,733.33, 405,656.11 and 191,705.68 is: 287,244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,733.33 : 405,656.11 = 191,705.68 : x
  2. Step 2: Convert to fraction form
    270,733.33/405,656.11 = 191,705.68/x
  3. Step 3: Cross multiply
    270,733.33x = 405,656.11 × 191,705.68
  4. Step 4: Simplify right side
    270,733.33x = 77,766,580,413.70
  5. Step 5: Solve for x
    x = 77,766,580,413.70/270,733.33
  6. Step 6: Final answer
    x = 287,244.21

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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.