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Finding the Fourth Proportional to 303,777.84, 419,213.42 and 169,641.84

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Solution

The fourth proportional to 303,777.84, 419,213.42 and 169,641.84 is: 234,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,777.84 : 419,213.42 = 169,641.84 : x
  2. Step 2: Convert to fraction form
    303,777.84/419,213.42 = 169,641.84/x
  3. Step 3: Cross multiply
    303,777.84x = 419,213.42 × 169,641.84
  4. Step 4: Simplify right side
    303,777.84x = 71,116,138,235.73
  5. Step 5: Solve for x
    x = 71,116,138,235.73/303,777.84
  6. Step 6: Final answer
    x = 234,105.74

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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.