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Finding the Fourth Proportional to 569,278.56, 853,965.84 and 169,893.60

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Solution

The fourth proportional to 569,278.56, 853,965.84 and 169,893.60 is: 254,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,278.56 : 853,965.84 = 169,893.60 : x
  2. Step 2: Convert to fraction form
    569,278.56/853,965.84 = 169,893.60/x
  3. Step 3: Cross multiply
    569,278.56x = 853,965.84 × 169,893.60
  4. Step 4: Simplify right side
    569,278.56x = 145,083,330,834.62
  5. Step 5: Solve for x
    x = 145,083,330,834.62/569,278.56
  6. Step 6: Final answer
    x = 254,854.72

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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.