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Finding the Fourth Proportional to 324,095.70, 486,143.55 and 267,999.15

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Solution

The fourth proportional to 324,095.70, 486,143.55 and 267,999.15 is: 401,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,095.70 : 486,143.55 = 267,999.15 : x
  2. Step 2: Convert to fraction form
    324,095.70/486,143.55 = 267,999.15/x
  3. Step 3: Cross multiply
    324,095.70x = 486,143.55 × 267,999.15
  4. Step 4: Simplify right side
    324,095.70x = 130,286,058,177.98
  5. Step 5: Solve for x
    x = 130,286,058,177.98/324,095.70
  6. Step 6: Final answer
    x = 401,998.73

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.