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Finding the Fourth Proportional to 844,709.74, 1,165,408.05 and 481,871.86

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Solution

The fourth proportional to 844,709.74, 1,165,408.05 and 481,871.86 is: 664,816.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,709.74 : 1,165,408.05 = 481,871.86 : x
  2. Step 2: Convert to fraction form
    844,709.74/1,165,408.05 = 481,871.86/x
  3. Step 3: Cross multiply
    844,709.74x = 1,165,408.05 × 481,871.86
  4. Step 4: Simplify right side
    844,709.74x = 561,577,344,712.47
  5. Step 5: Solve for x
    x = 561,577,344,712.47/844,709.74
  6. Step 6: Final answer
    x = 664,816.94

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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.