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Finding the Fourth Proportional to 260,684.46, 391,033.48 and 83,191.22

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Solution

The fourth proportional to 260,684.46, 391,033.48 and 83,191.22 is: 124,789.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,684.46 : 391,033.48 = 83,191.22 : x
  2. Step 2: Convert to fraction form
    260,684.46/391,033.48 = 83,191.22/x
  3. Step 3: Cross multiply
    260,684.46x = 391,033.48 × 83,191.22
  4. Step 4: Simplify right side
    260,684.46x = 32,530,552,262.05
  5. Step 5: Solve for x
    x = 32,530,552,262.05/260,684.46
  6. Step 6: Final answer
    x = 124,789.00

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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.