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Finding the Fourth Proportional to 404,650.94, 558,418.21 and 223,362.82

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Solution

The fourth proportional to 404,650.94, 558,418.21 and 223,362.82 is: 308,240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,650.94 : 558,418.21 = 223,362.82 : x
  2. Step 2: Convert to fraction form
    404,650.94/558,418.21 = 223,362.82/x
  3. Step 3: Cross multiply
    404,650.94x = 558,418.21 × 223,362.82
  4. Step 4: Simplify right side
    404,650.94x = 124,729,864,170.50
  5. Step 5: Solve for x
    x = 124,729,864,170.50/404,650.94
  6. Step 6: Final answer
    x = 308,240.64

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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.