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Finding the Fourth Proportional to 220,777.64, 332,641.64 and 199,744.38

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Solution

The fourth proportional to 220,777.64, 332,641.64 and 199,744.38 is: 300,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,777.64 : 332,641.64 = 199,744.38 : x
  2. Step 2: Convert to fraction form
    220,777.64/332,641.64 = 199,744.38/x
  3. Step 3: Cross multiply
    220,777.64x = 332,641.64 × 199,744.38
  4. Step 4: Simplify right side
    220,777.64x = 66,443,298,143.98
  5. Step 5: Solve for x
    x = 66,443,298,143.98/220,777.64
  6. Step 6: Final answer
    x = 300,951.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.