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Finding the Fourth Proportional to 269,402.28, 404,088.77 and 82,413.78

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Solution

The fourth proportional to 269,402.28, 404,088.77 and 82,413.78 is: 123,616.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,402.28 : 404,088.77 = 82,413.78 : x
  2. Step 2: Convert to fraction form
    269,402.28/404,088.77 = 82,413.78/x
  3. Step 3: Cross multiply
    269,402.28x = 404,088.77 × 82,413.78
  4. Step 4: Simplify right side
    269,402.28x = 33,302,482,991.25
  5. Step 5: Solve for x
    x = 33,302,482,991.25/269,402.28
  6. Step 6: Final answer
    x = 123,616.19

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1.5x scale

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.