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Finding the Fourth Proportional to 379,951.19, 570,578.79 and 337,352.88

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Solution

The fourth proportional to 379,951.19, 570,578.79 and 337,352.88 is: 506,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,951.19 : 570,578.79 = 337,352.88 : x
  2. Step 2: Convert to fraction form
    379,951.19/570,578.79 = 337,352.88/x
  3. Step 3: Cross multiply
    379,951.19x = 570,578.79 × 337,352.88
  4. Step 4: Simplify right side
    379,951.19x = 192,486,398,073.42
  5. Step 5: Solve for x
    x = 192,486,398,073.42/379,951.19
  6. Step 6: Final answer
    x = 506,608.23

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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.