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Finding the Fourth Proportional to 270,294.57, 373,014.30 and 149,443.66

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Solution

The fourth proportional to 270,294.57, 373,014.30 and 149,443.66 is: 206,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,294.57 : 373,014.30 = 149,443.66 : x
  2. Step 2: Convert to fraction form
    270,294.57/373,014.30 = 149,443.66/x
  3. Step 3: Cross multiply
    270,294.57x = 373,014.30 × 149,443.66
  4. Step 4: Simplify right side
    270,294.57x = 55,744,621,850.73
  5. Step 5: Solve for x
    x = 55,744,621,850.73/270,294.57
  6. Step 6: Final answer
    x = 206,236.56

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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.