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Finding the Fourth Proportional to 446,655.58, 669,589.44 and 165,976

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Solution

The fourth proportional to 446,655.58, 669,589.44 and 165,976 is: 248,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,655.58 : 669,589.44 = 165,976 : x
  2. Step 2: Convert to fraction form
    446,655.58/669,589.44 = 165,976/x
  3. Step 3: Cross multiply
    446,655.58x = 669,589.44 × 165,976
  4. Step 4: Simplify right side
    446,655.58x = 111,135,776,893.44
  5. Step 5: Solve for x
    x = 111,135,776,893.44/446,655.58
  6. Step 6: Final answer
    x = 248,817.62

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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.