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Finding the Fourth Proportional to 467,329.70, 644,915.32 and 252,469.71

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Solution

The fourth proportional to 467,329.70, 644,915.32 and 252,469.71 is: 348,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,329.70 : 644,915.32 = 252,469.71 : x
  2. Step 2: Convert to fraction form
    467,329.70/644,915.32 = 252,469.71/x
  3. Step 3: Cross multiply
    467,329.70x = 644,915.32 × 252,469.71
  4. Step 4: Simplify right side
    467,329.70x = 162,821,583,183.78
  5. Step 5: Solve for x
    x = 162,821,583,183.78/467,329.70
  6. Step 6: Final answer
    x = 348,408.38

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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.