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Finding the Fourth Proportional to 260,360.38, 359,324.39 and 149,982.83

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Solution

The fourth proportional to 260,360.38, 359,324.39 and 149,982.83 is: 206,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,360.38 : 359,324.39 = 149,982.83 : x
  2. Step 2: Convert to fraction form
    260,360.38/359,324.39 = 149,982.83/x
  3. Step 3: Cross multiply
    260,360.38x = 359,324.39 × 149,982.83
  4. Step 4: Simplify right side
    260,360.38x = 53,892,488,900.22
  5. Step 5: Solve for x
    x = 53,892,488,900.22/260,360.38
  6. Step 6: Final answer
    x = 206,991.90

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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.