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Finding the Fourth Proportional to 448,083.28, 617,939.52 and 327,032.80

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Solution

The fourth proportional to 448,083.28, 617,939.52 and 327,032.80 is: 451,002.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,083.28 : 617,939.52 = 327,032.80 : x
  2. Step 2: Convert to fraction form
    448,083.28/617,939.52 = 327,032.80/x
  3. Step 3: Cross multiply
    448,083.28x = 617,939.52 × 327,032.80
  4. Step 4: Simplify right side
    448,083.28x = 202,086,491,456.26
  5. Step 5: Solve for x
    x = 202,086,491,456.26/448,083.28
  6. Step 6: Final answer
    x = 451,002.08

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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.