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Finding the Fourth Proportional to 576,541.48, 795,593.82 and 321,908.80

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Solution

The fourth proportional to 576,541.48, 795,593.82 and 321,908.80 is: 444,215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,541.48 : 795,593.82 = 321,908.80 : x
  2. Step 2: Convert to fraction form
    576,541.48/795,593.82 = 321,908.80/x
  3. Step 3: Cross multiply
    576,541.48x = 795,593.82 × 321,908.80
  4. Step 4: Simplify right side
    576,541.48x = 256,108,651,883.62
  5. Step 5: Solve for x
    x = 256,108,651,883.62/576,541.48
  6. Step 6: Final answer
    x = 444,215.48

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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.