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Finding the Fourth Proportional to 505,620.11, 758,539.52 and 150,662.72

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Solution

The fourth proportional to 505,620.11, 758,539.52 and 150,662.72 is: 226,026.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,620.11 : 758,539.52 = 150,662.72 : x
  2. Step 2: Convert to fraction form
    505,620.11/758,539.52 = 150,662.72/x
  3. Step 3: Cross multiply
    505,620.11x = 758,539.52 × 150,662.72
  4. Step 4: Simplify right side
    505,620.11x = 114,283,622,764.68
  5. Step 5: Solve for x
    x = 114,283,622,764.68/505,620.11
  6. Step 6: Final answer
    x = 226,026.66

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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.