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Finding the Fourth Proportional to 477,174.25, 658,486.42 and 273,218.41

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Solution

The fourth proportional to 477,174.25, 658,486.42 and 273,218.41 is: 377,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,174.25 : 658,486.42 = 273,218.41 : x
  2. Step 2: Convert to fraction form
    477,174.25/658,486.42 = 273,218.41/x
  3. Step 3: Cross multiply
    477,174.25x = 658,486.42 × 273,218.41
  4. Step 4: Simplify right side
    477,174.25x = 179,910,612,678.99
  5. Step 5: Solve for x
    x = 179,910,612,678.99/477,174.25
  6. Step 6: Final answer
    x = 377,033.36

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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.