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Finding the Fourth Proportional to 250,586.57, 345,474.92 and 199,074.59

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Solution

The fourth proportional to 250,586.57, 345,474.92 and 199,074.59 is: 274,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,586.57 : 345,474.92 = 199,074.59 : x
  2. Step 2: Convert to fraction form
    250,586.57/345,474.92 = 199,074.59/x
  3. Step 3: Cross multiply
    250,586.57x = 345,474.92 × 199,074.59
  4. Step 4: Simplify right side
    250,586.57x = 68,775,276,824.59
  5. Step 5: Solve for x
    x = 68,775,276,824.59/250,586.57
  6. Step 6: Final answer
    x = 274,457.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.