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Finding the Fourth Proportional to 299,236.44, 412,572.78 and 191,629.56

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Solution

The fourth proportional to 299,236.44, 412,572.78 and 191,629.56 is: 264,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,236.44 : 412,572.78 = 191,629.56 : x
  2. Step 2: Convert to fraction form
    299,236.44/412,572.78 = 191,629.56/x
  3. Step 3: Cross multiply
    299,236.44x = 412,572.78 × 191,629.56
  4. Step 4: Simplify right side
    299,236.44x = 79,061,140,299.38
  5. Step 5: Solve for x
    x = 79,061,140,299.38/299,236.44
  6. Step 6: Final answer
    x = 264,209.60

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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.