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Finding the Fourth Proportional to 505,620.86, 758,540.63 and 150,663.47

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Solution

The fourth proportional to 505,620.86, 758,540.63 and 150,663.47 is: 226,027.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,620.86 : 758,540.63 = 150,663.47 : x
  2. Step 2: Convert to fraction form
    505,620.86/758,540.63 = 150,663.47/x
  3. Step 3: Cross multiply
    505,620.86x = 758,540.63 × 150,663.47
  4. Step 4: Simplify right side
    505,620.86x = 114,284,360,035.74
  5. Step 5: Solve for x
    x = 114,284,360,035.74/505,620.86
  6. Step 6: Final answer
    x = 226,027.78

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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.