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Finding the Fourth Proportional to 576,957.28, 796,103.76 and 322,310.56

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Solution

The fourth proportional to 576,957.28, 796,103.76 and 322,310.56 is: 444,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,957.28 : 796,103.76 = 322,310.56 : x
  2. Step 2: Convert to fraction form
    576,957.28/796,103.76 = 322,310.56/x
  3. Step 3: Cross multiply
    576,957.28x = 796,103.76 × 322,310.56
  4. Step 4: Simplify right side
    576,957.28x = 256,592,648,703.71
  5. Step 5: Solve for x
    x = 256,592,648,703.71/576,957.28
  6. Step 6: Final answer
    x = 444,734.22

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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.