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Finding the Fourth Proportional to 576,915.18, 796,142.97 and 322,266.39

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Solution

The fourth proportional to 576,915.18, 796,142.97 and 322,266.39 is: 444,727.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,915.18 : 796,142.97 = 322,266.39 : x
  2. Step 2: Convert to fraction form
    576,915.18/796,142.97 = 322,266.39/x
  3. Step 3: Cross multiply
    576,915.18x = 796,142.97 × 322,266.39
  4. Step 4: Simplify right side
    576,915.18x = 256,570,120,865.78
  5. Step 5: Solve for x
    x = 256,570,120,865.78/576,915.18
  6. Step 6: Final answer
    x = 444,727.63

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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.