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Finding the Fourth Proportional to 569,140.40, 853,759.20 and 195,163.40

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Solution

The fourth proportional to 569,140.40, 853,759.20 and 195,163.40 is: 292,761.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,140.40 : 853,759.20 = 195,163.40 : x
  2. Step 2: Convert to fraction form
    569,140.40/853,759.20 = 195,163.40/x
  3. Step 3: Cross multiply
    569,140.40x = 853,759.20 × 195,163.40
  4. Step 4: Simplify right side
    569,140.40x = 166,622,548,253.28
  5. Step 5: Solve for x
    x = 166,622,548,253.28/569,140.40
  6. Step 6: Final answer
    x = 292,761.77

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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.