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Finding the Fourth Proportional to 240,998.72, 361,502.88 and 169,629.44

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Solution

The fourth proportional to 240,998.72, 361,502.88 and 169,629.44 is: 254,447.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,998.72 : 361,502.88 = 169,629.44 : x
  2. Step 2: Convert to fraction form
    240,998.72/361,502.88 = 169,629.44/x
  3. Step 3: Cross multiply
    240,998.72x = 361,502.88 × 169,629.44
  4. Step 4: Simplify right side
    240,998.72x = 61,321,531,092.79
  5. Step 5: Solve for x
    x = 61,321,531,092.79/240,998.72
  6. Step 6: Final answer
    x = 254,447.54

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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.