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Finding the Fourth Proportional to 569,255.80, 853,653.30 and 195,086.20

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Solution

The fourth proportional to 569,255.80, 853,653.30 and 195,086.20 is: 292,550.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,255.80 : 853,653.30 = 195,086.20 : x
  2. Step 2: Convert to fraction form
    569,255.80/853,653.30 = 195,086.20/x
  3. Step 3: Cross multiply
    569,255.80x = 853,653.30 × 195,086.20
  4. Step 4: Simplify right side
    569,255.80x = 166,535,978,414.46
  5. Step 5: Solve for x
    x = 166,535,978,414.46/569,255.80
  6. Step 6: Final answer
    x = 292,550.34

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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.