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Finding the Fourth Proportional to 404,062.62, 557,605.67 and 222,773.28

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Solution

The fourth proportional to 404,062.62, 557,605.67 and 222,773.28 is: 307,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,062.62 : 557,605.67 = 222,773.28 : x
  2. Step 2: Convert to fraction form
    404,062.62/557,605.67 = 222,773.28/x
  3. Step 3: Cross multiply
    404,062.62x = 557,605.67 × 222,773.28
  4. Step 4: Simplify right side
    404,062.62x = 124,219,642,938.63
  5. Step 5: Solve for x
    x = 124,219,642,938.63/404,062.62
  6. Step 6: Final answer
    x = 307,426.71

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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.