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Finding the Fourth Proportional to 447,950.22, 671,917.03 and 110,991.69

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Solution

The fourth proportional to 447,950.22, 671,917.03 and 110,991.69 is: 166,485.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,950.22 : 671,917.03 = 110,991.69 : x
  2. Step 2: Convert to fraction form
    447,950.22/671,917.03 = 110,991.69/x
  3. Step 3: Cross multiply
    447,950.22x = 671,917.03 × 110,991.69
  4. Step 4: Simplify right side
    447,950.22x = 74,577,206,699.48
  5. Step 5: Solve for x
    x = 74,577,206,699.48/447,950.22
  6. Step 6: Final answer
    x = 166,485.48

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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.