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Finding the Fourth Proportional to 300,770.94, 415,057.20 and 169,936.38

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Solution

The fourth proportional to 300,770.94, 415,057.20 and 169,936.38 is: 234,508.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,770.94 : 415,057.20 = 169,936.38 : x
  2. Step 2: Convert to fraction form
    300,770.94/415,057.20 = 169,936.38/x
  3. Step 3: Cross multiply
    300,770.94x = 415,057.20 × 169,936.38
  4. Step 4: Simplify right side
    300,770.94x = 70,533,318,060.94
  5. Step 5: Solve for x
    x = 70,533,318,060.94/300,770.94
  6. Step 6: Final answer
    x = 234,508.42

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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.