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Finding the Fourth Proportional to 567,144.86, 851,110.19 and 225,553.28

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Solution

The fourth proportional to 567,144.86, 851,110.19 and 225,553.28 is: 338,486.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,144.86 : 851,110.19 = 225,553.28 : x
  2. Step 2: Convert to fraction form
    567,144.86/851,110.19 = 225,553.28/x
  3. Step 3: Cross multiply
    567,144.86x = 851,110.19 × 225,553.28
  4. Step 4: Simplify right side
    567,144.86x = 191,970,691,304.26
  5. Step 5: Solve for x
    x = 191,970,691,304.26/567,144.86
  6. Step 6: Final answer
    x = 338,486.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.