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Finding the Fourth Proportional to 303,729.75, 419,147.06 and 169,593.75

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Solution

The fourth proportional to 303,729.75, 419,147.06 and 169,593.75 is: 234,039.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,729.75 : 419,147.06 = 169,593.75 : x
  2. Step 2: Convert to fraction form
    303,729.75/419,147.06 = 169,593.75/x
  3. Step 3: Cross multiply
    303,729.75x = 419,147.06 × 169,593.75
  4. Step 4: Simplify right side
    303,729.75x = 71,084,720,858.91
  5. Step 5: Solve for x
    x = 71,084,720,858.91/303,729.75
  6. Step 6: Final answer
    x = 234,039.38

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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.