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Finding the Fourth Proportional to 418,003.74, 576,846.16 and 227,013.03

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Solution

The fourth proportional to 418,003.74, 576,846.16 and 227,013.03 is: 313,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,003.74 : 576,846.16 = 227,013.03 : x
  2. Step 2: Convert to fraction form
    418,003.74/576,846.16 = 227,013.03/x
  3. Step 3: Cross multiply
    418,003.74x = 576,846.16 × 227,013.03
  4. Step 4: Simplify right side
    418,003.74x = 130,951,594,057.93
  5. Step 5: Solve for x
    x = 130,951,594,057.93/418,003.74
  6. Step 6: Final answer
    x = 313,278.52

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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.