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Finding the Fourth Proportional to 577,172.88, 796,516.20 and 322,534.80

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Solution

The fourth proportional to 577,172.88, 796,516.20 and 322,534.80 is: 445,107.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,172.88 : 796,516.20 = 322,534.80 : x
  2. Step 2: Convert to fraction form
    577,172.88/796,516.20 = 322,534.80/x
  3. Step 3: Cross multiply
    577,172.88x = 796,516.20 × 322,534.80
  4. Step 4: Simplify right side
    577,172.88x = 256,904,193,263.76
  5. Step 5: Solve for x
    x = 256,904,193,263.76/577,172.88
  6. Step 6: Final answer
    x = 445,107.87

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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.