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Finding the Fourth Proportional to 577,270.62, 796,634.61 and 322,621.80

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Solution

The fourth proportional to 577,270.62, 796,634.61 and 322,621.80 is: 445,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,270.62 : 796,634.61 = 322,621.80 : x
  2. Step 2: Convert to fraction form
    577,270.62/796,634.61 = 322,621.80/x
  3. Step 3: Cross multiply
    577,270.62x = 796,634.61 × 322,621.80
  4. Step 4: Simplify right side
    577,270.62x = 257,011,691,820.50
  5. Step 5: Solve for x
    x = 257,011,691,820.50/577,270.62
  6. Step 6: Final answer
    x = 445,218.73

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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.