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Finding the Fourth Proportional to 577,211.37, 796,537.91 and 322,611.78

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Solution

The fourth proportional to 577,211.37, 796,537.91 and 322,611.78 is: 445,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,211.37 : 796,537.91 = 322,611.78 : x
  2. Step 2: Convert to fraction form
    577,211.37/796,537.91 = 322,611.78/x
  3. Step 3: Cross multiply
    577,211.37x = 796,537.91 × 322,611.78
  4. Step 4: Simplify right side
    577,211.37x = 256,972,511,369.52
  5. Step 5: Solve for x
    x = 256,972,511,369.52/577,211.37
  6. Step 6: Final answer
    x = 445,196.55

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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.