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Finding the Fourth Proportional to 303,208.80, 454,813.20 and 269,383.20

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Solution

The fourth proportional to 303,208.80, 454,813.20 and 269,383.20 is: 404,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,208.80 : 454,813.20 = 269,383.20 : x
  2. Step 2: Convert to fraction form
    303,208.80/454,813.20 = 269,383.20/x
  3. Step 3: Cross multiply
    303,208.80x = 454,813.20 × 269,383.20
  4. Step 4: Simplify right side
    303,208.80x = 122,519,035,218.24
  5. Step 5: Solve for x
    x = 122,519,035,218.24/303,208.80
  6. Step 6: Final answer
    x = 404,074.80

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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.