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Finding the Fourth Proportional to 270,679.87, 373,528.69 and 149,821.39

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Solution

The fourth proportional to 270,679.87, 373,528.69 and 149,821.39 is: 206,748.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,679.87 : 373,528.69 = 149,821.39 : x
  2. Step 2: Convert to fraction form
    270,679.87/373,528.69 = 149,821.39/x
  3. Step 3: Cross multiply
    270,679.87x = 373,528.69 × 149,821.39
  4. Step 4: Simplify right side
    270,679.87x = 55,962,587,540.68
  5. Step 5: Solve for x
    x = 55,962,587,540.68/270,679.87
  6. Step 6: Final answer
    x = 206,748.24

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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.