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Finding the Fourth Proportional to 404,907.48, 558,775.26 and 223,614.36

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Solution

The fourth proportional to 404,907.48, 558,775.26 and 223,614.36 is: 308,589.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,907.48 : 558,775.26 = 223,614.36 : x
  2. Step 2: Convert to fraction form
    404,907.48/558,775.26 = 223,614.36/x
  3. Step 3: Cross multiply
    404,907.48x = 558,775.26 × 223,614.36
  4. Step 4: Simplify right side
    404,907.48x = 124,950,172,148.73
  5. Step 5: Solve for x
    x = 124,950,172,148.73/404,907.48
  6. Step 6: Final answer
    x = 308,589.44

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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.