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Finding the Fourth Proportional to 404,661.83, 558,435.26 and 223,370.46

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Solution

The fourth proportional to 404,661.83, 558,435.26 and 223,370.46 is: 308,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,661.83 : 558,435.26 = 223,370.46 : x
  2. Step 2: Convert to fraction form
    404,661.83/558,435.26 = 223,370.46/x
  3. Step 3: Cross multiply
    404,661.83x = 558,435.26 × 223,370.46
  4. Step 4: Simplify right side
    404,661.83x = 124,737,941,464.85
  5. Step 5: Solve for x
    x = 124,737,941,464.85/404,661.83
  6. Step 6: Final answer
    x = 308,252.31

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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.