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Finding the Fourth Proportional to 505,227.45, 757,755.03 and 168,229.86

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Solution

The fourth proportional to 505,227.45, 757,755.03 and 168,229.86 is: 252,316.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,227.45 : 757,755.03 = 168,229.86 : x
  2. Step 2: Convert to fraction form
    505,227.45/757,755.03 = 168,229.86/x
  3. Step 3: Cross multiply
    505,227.45x = 757,755.03 × 168,229.86
  4. Step 4: Simplify right side
    505,227.45x = 127,477,022,611.20
  5. Step 5: Solve for x
    x = 127,477,022,611.20/505,227.45
  6. Step 6: Final answer
    x = 252,316.11

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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.