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Finding the Fourth Proportional to 270,325.80, 373,021.07 and 149,447.57

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Solution

The fourth proportional to 270,325.80, 373,021.07 and 149,447.57 is: 206,221.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,325.80 : 373,021.07 = 149,447.57 : x
  2. Step 2: Convert to fraction form
    270,325.80/373,021.07 = 149,447.57/x
  3. Step 3: Cross multiply
    270,325.80x = 373,021.07 × 149,447.57
  4. Step 4: Simplify right side
    270,325.80x = 55,747,089,857.96
  5. Step 5: Solve for x
    x = 55,747,089,857.96/270,325.80
  6. Step 6: Final answer
    x = 206,221.86

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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.