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Finding the Fourth Proportional to 270,407.44, 373,147.20 and 149,541.52

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Solution

The fourth proportional to 270,407.44, 373,147.20 and 149,541.52 is: 206,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,407.44 : 373,147.20 = 149,541.52 : x
  2. Step 2: Convert to fraction form
    270,407.44/373,147.20 = 149,541.52/x
  3. Step 3: Cross multiply
    270,407.44x = 373,147.20 × 149,541.52
  4. Step 4: Simplify right side
    270,407.44x = 55,800,999,471.74
  5. Step 5: Solve for x
    x = 55,800,999,471.74/270,407.44
  6. Step 6: Final answer
    x = 206,358.97

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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.