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Finding the Fourth Proportional to 569,438.92, 853,876.62 and 190,229.56

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Solution

The fourth proportional to 569,438.92, 853,876.62 and 190,229.56 is: 285,250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,438.92 : 853,876.62 = 190,229.56 : x
  2. Step 2: Convert to fraction form
    569,438.92/853,876.62 = 190,229.56/x
  3. Step 3: Cross multiply
    569,438.92x = 853,876.62 × 190,229.56
  4. Step 4: Simplify right side
    569,438.92x = 162,432,573,716.89
  5. Step 5: Solve for x
    x = 162,432,573,716.89/569,438.92
  6. Step 6: Final answer
    x = 285,250.21

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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.