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Finding the Fourth Proportional to 569,219.56, 853,772.10 and 148,496.20

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Solution

The fourth proportional to 569,219.56, 853,772.10 and 148,496.20 is: 222,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,219.56 : 853,772.10 = 148,496.20 : x
  2. Step 2: Convert to fraction form
    569,219.56/853,772.10 = 148,496.20/x
  3. Step 3: Cross multiply
    569,219.56x = 853,772.10 × 148,496.20
  4. Step 4: Simplify right side
    569,219.56x = 126,781,912,516.02
  5. Step 5: Solve for x
    x = 126,781,912,516.02/569,219.56
  6. Step 6: Final answer
    x = 222,729.37

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1.5x scale

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.