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Finding the Fourth Proportional to 844,676.88, 1,165,672.86 and 482,093.40

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Solution

The fourth proportional to 844,676.88, 1,165,672.86 and 482,093.40 is: 665,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,676.88 : 1,165,672.86 = 482,093.40 : x
  2. Step 2: Convert to fraction form
    844,676.88/1,165,672.86 = 482,093.40/x
  3. Step 3: Cross multiply
    844,676.88x = 1,165,672.86 × 482,093.40
  4. Step 4: Simplify right side
    844,676.88x = 561,963,192,365.12
  5. Step 5: Solve for x
    x = 561,963,192,365.12/844,676.88
  6. Step 6: Final answer
    x = 665,299.60

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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.