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Finding the Fourth Proportional to 418,076.44, 576,956.22 and 227,100.76

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Solution

The fourth proportional to 418,076.44, 576,956.22 and 227,100.76 is: 313,404.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,076.44 : 576,956.22 = 227,100.76 : x
  2. Step 2: Convert to fraction form
    418,076.44/576,956.22 = 227,100.76/x
  3. Step 3: Cross multiply
    418,076.44x = 576,956.22 × 227,100.76
  4. Step 4: Simplify right side
    418,076.44x = 131,027,196,048.73
  5. Step 5: Solve for x
    x = 131,027,196,048.73/418,076.44
  6. Step 6: Final answer
    x = 313,404.88

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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.