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Finding the Fourth Proportional to 351,649.44, 485,310.96 and 200,769.12

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Solution

The fourth proportional to 351,649.44, 485,310.96 and 200,769.12 is: 277,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,649.44 : 485,310.96 = 200,769.12 : x
  2. Step 2: Convert to fraction form
    351,649.44/485,310.96 = 200,769.12/x
  3. Step 3: Cross multiply
    351,649.44x = 485,310.96 × 200,769.12
  4. Step 4: Simplify right side
    351,649.44x = 97,435,454,365.56
  5. Step 5: Solve for x
    x = 97,435,454,365.56/351,649.44
  6. Step 6: Final answer
    x = 277,081.22

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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.