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Finding the Fourth Proportional to 404,502.45, 558,324.42 and 234,791.25

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Solution

The fourth proportional to 404,502.45, 558,324.42 and 234,791.25 is: 324,076.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,502.45 : 558,324.42 = 234,791.25 : x
  2. Step 2: Convert to fraction form
    404,502.45/558,324.42 = 234,791.25/x
  3. Step 3: Cross multiply
    404,502.45x = 558,324.42 × 234,791.25
  4. Step 4: Simplify right side
    404,502.45x = 131,089,688,477.33
  5. Step 5: Solve for x
    x = 131,089,688,477.33/404,502.45
  6. Step 6: Final answer
    x = 324,076.38

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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.