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Finding the Fourth Proportional to 568,891.72, 785,094.42 and 327,174.49

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Solution

The fourth proportional to 568,891.72, 785,094.42 and 327,174.49 is: 451,514.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,891.72 : 785,094.42 = 327,174.49 : x
  2. Step 2: Convert to fraction form
    568,891.72/785,094.42 = 327,174.49/x
  3. Step 3: Cross multiply
    568,891.72x = 785,094.42 × 327,174.49
  4. Step 4: Simplify right side
    568,891.72x = 256,862,866,465.35
  5. Step 5: Solve for x
    x = 256,862,866,465.35/568,891.72
  6. Step 6: Final answer
    x = 451,514.51

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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.