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Finding the Fourth Proportional to 250,561.84, 345,540.54 and 199,743.16

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Solution

The fourth proportional to 250,561.84, 345,540.54 and 199,743.16 is: 275,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,561.84 : 345,540.54 = 199,743.16 : x
  2. Step 2: Convert to fraction form
    250,561.84/345,540.54 = 199,743.16/x
  3. Step 3: Cross multiply
    250,561.84x = 345,540.54 × 199,743.16
  4. Step 4: Simplify right side
    250,561.84x = 69,019,359,367.71
  5. Step 5: Solve for x
    x = 69,019,359,367.71/250,561.84
  6. Step 6: Final answer
    x = 275,458.38

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1.5x scale

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.