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Finding the Fourth Proportional to 512,514.89, 768,936.77 and 246,294.71

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Solution

The fourth proportional to 512,514.89, 768,936.77 and 246,294.71 is: 369,521.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,514.89 : 768,936.77 = 246,294.71 : x
  2. Step 2: Convert to fraction form
    512,514.89/768,936.77 = 246,294.71/x
  3. Step 3: Cross multiply
    512,514.89x = 768,936.77 × 246,294.71
  4. Step 4: Simplify right side
    512,514.89x = 189,385,057,544.01
  5. Step 5: Solve for x
    x = 189,385,057,544.01/512,514.89
  6. Step 6: Final answer
    x = 369,521.08

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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.