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Finding the Fourth Proportional to 569,138.80, 853,722.80 and 269,548.96

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Solution

The fourth proportional to 569,138.80, 853,722.80 and 269,548.96 is: 404,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,138.80 : 853,722.80 = 269,548.96 : x
  2. Step 2: Convert to fraction form
    569,138.80/853,722.80 = 269,548.96/x
  3. Step 3: Cross multiply
    569,138.80x = 853,722.80 × 269,548.96
  4. Step 4: Simplify right side
    569,138.80x = 230,120,092,868.29
  5. Step 5: Solve for x
    x = 230,120,092,868.29/569,138.80
  6. Step 6: Final answer
    x = 404,330.35

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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.