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Finding the Fourth Proportional to 605,500, 835,615.92 and 337,228

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Solution

The fourth proportional to 605,500, 835,615.92 and 337,228 is: 465,389.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,500 : 835,615.92 = 337,228 : x
  2. Step 2: Convert to fraction form
    605,500/835,615.92 = 337,228/x
  3. Step 3: Cross multiply
    605,500x = 835,615.92 × 337,228
  4. Step 4: Simplify right side
    605,500x = 281,793,085,469.76
  5. Step 5: Solve for x
    x = 281,793,085,469.76/605,500
  6. Step 6: Final answer
    x = 465,389.08

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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.