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Finding the Fourth Proportional to 777,208.78, 1,165,854.78 and 244,771.27

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Solution

The fourth proportional to 777,208.78, 1,165,854.78 and 244,771.27 is: 367,170.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,208.78 : 1,165,854.78 = 244,771.27 : x
  2. Step 2: Convert to fraction form
    777,208.78/1,165,854.78 = 244,771.27/x
  3. Step 3: Cross multiply
    777,208.78x = 1,165,854.78 × 244,771.27
  4. Step 4: Simplify right side
    777,208.78x = 285,367,755,136.17
  5. Step 5: Solve for x
    x = 285,367,755,136.17/777,208.78
  6. Step 6: Final answer
    x = 367,170.01

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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.