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Finding the Fourth Proportional to 418,053.66, 576,917.08 and 227,067.08

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Solution

The fourth proportional to 418,053.66, 576,917.08 and 227,067.08 is: 313,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,053.66 : 576,917.08 = 227,067.08 : x
  2. Step 2: Convert to fraction form
    418,053.66/576,917.08 = 227,067.08/x
  3. Step 3: Cross multiply
    418,053.66x = 576,917.08 × 227,067.08
  4. Step 4: Simplify right side
    418,053.66x = 130,998,876,757.73
  5. Step 5: Solve for x
    x = 130,998,876,757.73/418,053.66
  6. Step 6: Final answer
    x = 313,354.22

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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.