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Finding the Fourth Proportional to 577,161.72, 796,481.91 and 322,512.91

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Solution

The fourth proportional to 577,161.72, 796,481.91 and 322,512.91 is: 445,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,161.72 : 796,481.91 = 322,512.91 : x
  2. Step 2: Convert to fraction form
    577,161.72/796,481.91 = 322,512.91/x
  3. Step 3: Cross multiply
    577,161.72x = 796,481.91 × 322,512.91
  4. Step 4: Simplify right side
    577,161.72x = 256,875,696,565.25
  5. Step 5: Solve for x
    x = 256,875,696,565.25/577,161.72
  6. Step 6: Final answer
    x = 445,067.11

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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.