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Finding the Fourth Proportional to 347,170.91, 519,915.42 and 240,255.27

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Solution

The fourth proportional to 347,170.91, 519,915.42 and 240,255.27 is: 359,800.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,170.91 : 519,915.42 = 240,255.27 : x
  2. Step 2: Convert to fraction form
    347,170.91/519,915.42 = 240,255.27/x
  3. Step 3: Cross multiply
    347,170.91x = 519,915.42 × 240,255.27
  4. Step 4: Simplify right side
    347,170.91x = 124,912,419,609.26
  5. Step 5: Solve for x
    x = 124,912,419,609.26/347,170.91
  6. Step 6: Final answer
    x = 359,800.94

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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.