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Finding the Fourth Proportional to 404,162.33, 557,731.19 and 222,881.90

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Solution

The fourth proportional to 404,162.33, 557,731.19 and 222,881.90 is: 307,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,162.33 : 557,731.19 = 222,881.90 : x
  2. Step 2: Convert to fraction form
    404,162.33/557,731.19 = 222,881.90/x
  3. Step 3: Cross multiply
    404,162.33x = 557,731.19 × 222,881.90
  4. Step 4: Simplify right side
    404,162.33x = 124,308,186,202.05
  5. Step 5: Solve for x
    x = 124,308,186,202.05/404,162.33
  6. Step 6: Final answer
    x = 307,569.95

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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.