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Finding the Fourth Proportional to 299,009.28, 412,617.72 and 169,944.42

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Solution

The fourth proportional to 299,009.28, 412,617.72 and 169,944.42 is: 234,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,009.28 : 412,617.72 = 169,944.42 : x
  2. Step 2: Convert to fraction form
    299,009.28/412,617.72 = 169,944.42/x
  3. Step 3: Cross multiply
    299,009.28x = 412,617.72 × 169,944.42
  4. Step 4: Simplify right side
    299,009.28x = 70,122,079,107.12
  5. Step 5: Solve for x
    x = 70,122,079,107.12/299,009.28
  6. Step 6: Final answer
    x = 234,514.73

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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.