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Finding the Fourth Proportional to 569,079.78, 854,040.42 and 269,560.86

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Solution

The fourth proportional to 569,079.78, 854,040.42 and 269,560.86 is: 404,540.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,079.78 : 854,040.42 = 269,560.86 : x
  2. Step 2: Convert to fraction form
    569,079.78/854,040.42 = 269,560.86/x
  3. Step 3: Cross multiply
    569,079.78x = 854,040.42 × 269,560.86
  4. Step 4: Simplify right side
    569,079.78x = 230,215,870,089.96
  5. Step 5: Solve for x
    x = 230,215,870,089.96/569,079.78
  6. Step 6: Final answer
    x = 404,540.59

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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.