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Finding the Fourth Proportional to 449,027.01, 673,629.27 and 164,720.22

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Solution

The fourth proportional to 449,027.01, 673,629.27 and 164,720.22 is: 247,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,027.01 : 673,629.27 = 164,720.22 : x
  2. Step 2: Convert to fraction form
    449,027.01/673,629.27 = 164,720.22/x
  3. Step 3: Cross multiply
    449,027.01x = 673,629.27 × 164,720.22
  4. Step 4: Simplify right side
    449,027.01x = 110,960,361,552.84
  5. Step 5: Solve for x
    x = 110,960,361,552.84/449,027.01
  6. Step 6: Final answer
    x = 247,112.89

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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.