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Finding the Fourth Proportional to 292,997.75, 404,336.90 and 158,861.75

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Solution

The fourth proportional to 292,997.75, 404,336.90 and 158,861.75 is: 219,229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,997.75 : 404,336.90 = 158,861.75 : x
  2. Step 2: Convert to fraction form
    292,997.75/404,336.90 = 158,861.75/x
  3. Step 3: Cross multiply
    292,997.75x = 404,336.90 × 158,861.75
  4. Step 4: Simplify right side
    292,997.75x = 64,233,667,523.58
  5. Step 5: Solve for x
    x = 64,233,667,523.58/292,997.75
  6. Step 6: Final answer
    x = 219,229.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.