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Finding the Fourth Proportional to 404,296.65, 557,933.27 and 223,016.22

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Solution

The fourth proportional to 404,296.65, 557,933.27 and 223,016.22 is: 307,764.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,296.65 : 557,933.27 = 223,016.22 : x
  2. Step 2: Convert to fraction form
    404,296.65/557,933.27 = 223,016.22/x
  3. Step 3: Cross multiply
    404,296.65x = 557,933.27 × 223,016.22
  4. Step 4: Simplify right side
    404,296.65x = 124,428,167,772.56
  5. Step 5: Solve for x
    x = 124,428,167,772.56/404,296.65
  6. Step 6: Final answer
    x = 307,764.53

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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.