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Finding the Fourth Proportional to 404,664.42, 558,467.82 and 223,411.26

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Solution

The fourth proportional to 404,664.42, 558,467.82 and 223,411.26 is: 308,324.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,664.42 : 558,467.82 = 223,411.26 : x
  2. Step 2: Convert to fraction form
    404,664.42/558,467.82 = 223,411.26/x
  3. Step 3: Cross multiply
    404,664.42x = 558,467.82 × 223,411.26
  4. Step 4: Simplify right side
    404,664.42x = 124,767,999,335.65
  5. Step 5: Solve for x
    x = 124,767,999,335.65/404,664.42
  6. Step 6: Final answer
    x = 308,324.61

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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.