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Finding the Fourth Proportional to 612,049.89, 844,625.64 and 336,414.09

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Solution

The fourth proportional to 612,049.89, 844,625.64 and 336,414.09 is: 464,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,049.89 : 844,625.64 = 336,414.09 : x
  2. Step 2: Convert to fraction form
    612,049.89/844,625.64 = 336,414.09/x
  3. Step 3: Cross multiply
    612,049.89x = 844,625.64 × 336,414.09
  4. Step 4: Simplify right side
    612,049.89x = 284,143,966,071.27
  5. Step 5: Solve for x
    x = 284,143,966,071.27/612,049.89
  6. Step 6: Final answer
    x = 464,249.68

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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.