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Finding the Fourth Proportional to 404,179.80, 557,760.36 and 222,908.49

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Solution

The fourth proportional to 404,179.80, 557,760.36 and 222,908.49 is: 307,609.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,179.80 : 557,760.36 = 222,908.49 : x
  2. Step 2: Convert to fraction form
    404,179.80/557,760.36 = 222,908.49/x
  3. Step 3: Cross multiply
    404,179.80x = 557,760.36 × 222,908.49
  4. Step 4: Simplify right side
    404,179.80x = 124,329,516,840.66
  5. Step 5: Solve for x
    x = 124,329,516,840.66/404,179.80
  6. Step 6: Final answer
    x = 307,609.43

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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.