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Finding the Fourth Proportional to 299,238.44, 412,575.54 and 191,631.56

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Solution

The fourth proportional to 299,238.44, 412,575.54 and 191,631.56 is: 264,212.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,238.44 : 412,575.54 = 191,631.56 : x
  2. Step 2: Convert to fraction form
    299,238.44/412,575.54 = 191,631.56/x
  3. Step 3: Cross multiply
    299,238.44x = 412,575.54 × 191,631.56
  4. Step 4: Simplify right side
    299,238.44x = 79,062,494,348.04
  5. Step 5: Solve for x
    x = 79,062,494,348.04/299,238.44
  6. Step 6: Final answer
    x = 264,212.36

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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.