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Finding the Fourth Proportional to 569,218.56, 853,770.60 and 148,495.20

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Solution

The fourth proportional to 569,218.56, 853,770.60 and 148,495.20 is: 222,727.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,218.56 : 853,770.60 = 148,495.20 : x
  2. Step 2: Convert to fraction form
    569,218.56/853,770.60 = 148,495.20/x
  3. Step 3: Cross multiply
    569,218.56x = 853,770.60 × 148,495.20
  4. Step 4: Simplify right side
    569,218.56x = 126,780,836,001.12
  5. Step 5: Solve for x
    x = 126,780,836,001.12/569,218.56
  6. Step 6: Final answer
    x = 222,727.87

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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.