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Finding the Fourth Proportional to 337,720.86, 505,915.59 and 274,612.23

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Solution

The fourth proportional to 337,720.86, 505,915.59 and 274,612.23 is: 411,377.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,720.86 : 505,915.59 = 274,612.23 : x
  2. Step 2: Convert to fraction form
    337,720.86/505,915.59 = 274,612.23/x
  3. Step 3: Cross multiply
    337,720.86x = 505,915.59 × 274,612.23
  4. Step 4: Simplify right side
    337,720.86x = 138,930,608,361.67
  5. Step 5: Solve for x
    x = 138,930,608,361.67/337,720.86
  6. Step 6: Final answer
    x = 411,377.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.