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Finding the Fourth Proportional to 577,245.22, 796,633.78 and 322,616.74

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Solution

The fourth proportional to 577,245.22, 796,633.78 and 322,616.74 is: 445,230.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,245.22 : 796,633.78 = 322,616.74 : x
  2. Step 2: Convert to fraction form
    577,245.22/796,633.78 = 322,616.74/x
  3. Step 3: Cross multiply
    577,245.22x = 796,633.78 × 322,616.74
  4. Step 4: Simplify right side
    577,245.22x = 257,007,393,077.48
  5. Step 5: Solve for x
    x = 257,007,393,077.48/577,245.22
  6. Step 6: Final answer
    x = 445,230.87

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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.