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Finding the Fourth Proportional to 605,493, 835,606.26 and 337,221

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Solution

The fourth proportional to 605,493, 835,606.26 and 337,221 is: 465,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,493 : 835,606.26 = 337,221 : x
  2. Step 2: Convert to fraction form
    605,493/835,606.26 = 337,221/x
  3. Step 3: Cross multiply
    605,493x = 835,606.26 × 337,221
  4. Step 4: Simplify right side
    605,493x = 281,783,978,603.46
  5. Step 5: Solve for x
    x = 281,783,978,603.46/605,493
  6. Step 6: Final answer
    x = 465,379.42

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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.