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Finding the Fourth Proportional to 577,269.20, 796,640.52 and 322,636.88

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Solution

The fourth proportional to 577,269.20, 796,640.52 and 322,636.88 is: 445,243.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,269.20 : 796,640.52 = 322,636.88 : x
  2. Step 2: Convert to fraction form
    577,269.20/796,640.52 = 322,636.88/x
  3. Step 3: Cross multiply
    577,269.20x = 796,640.52 × 322,636.88
  4. Step 4: Simplify right side
    577,269.20x = 257,025,611,854.38
  5. Step 5: Solve for x
    x = 257,025,611,854.38/577,269.20
  6. Step 6: Final answer
    x = 445,243.94

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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.