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Finding the Fourth Proportional to 568,902.48, 785,109.23 and 327,185.21

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Solution

The fourth proportional to 568,902.48, 785,109.23 and 327,185.21 is: 451,529.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,902.48 : 785,109.23 = 327,185.21 : x
  2. Step 2: Convert to fraction form
    568,902.48/785,109.23 = 327,185.21/x
  3. Step 3: Cross multiply
    568,902.48x = 785,109.23 × 327,185.21
  4. Step 4: Simplify right side
    568,902.48x = 256,876,131,071.22
  5. Step 5: Solve for x
    x = 256,876,131,071.22/568,902.48
  6. Step 6: Final answer
    x = 451,529.29

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1.5x scale

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.