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Finding the Fourth Proportional to 512,469.84, 768,845.70 and 246,452.88

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Solution

The fourth proportional to 512,469.84, 768,845.70 and 246,452.88 is: 369,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,469.84 : 768,845.70 = 246,452.88 : x
  2. Step 2: Convert to fraction form
    512,469.84/768,845.70 = 246,452.88/x
  3. Step 3: Cross multiply
    512,469.84x = 768,845.70 × 246,452.88
  4. Step 4: Simplify right side
    512,469.84x = 189,484,237,040.62
  5. Step 5: Solve for x
    x = 189,484,237,040.62/512,469.84
  6. Step 6: Final answer
    x = 369,747.10

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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.