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Finding the Fourth Proportional to 255,736.38, 353,067.42 and 227,363.58

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Solution

The fourth proportional to 255,736.38, 353,067.42 and 227,363.58 is: 313,896.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,736.38 : 353,067.42 = 227,363.58 : x
  2. Step 2: Convert to fraction form
    255,736.38/353,067.42 = 227,363.58/x
  3. Step 3: Cross multiply
    255,736.38x = 353,067.42 × 227,363.58
  4. Step 4: Simplify right side
    255,736.38x = 80,274,672,592.56
  5. Step 5: Solve for x
    x = 80,274,672,592.56/255,736.38
  6. Step 6: Final answer
    x = 313,896.18

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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.