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Finding the Fourth Proportional to 297,676.72, 410,556.30 and 195,806.80

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Solution

The fourth proportional to 297,676.72, 410,556.30 and 195,806.80 is: 270,057.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,676.72 : 410,556.30 = 195,806.80 : x
  2. Step 2: Convert to fraction form
    297,676.72/410,556.30 = 195,806.80/x
  3. Step 3: Cross multiply
    297,676.72x = 410,556.30 × 195,806.80
  4. Step 4: Simplify right side
    297,676.72x = 80,389,715,322.84
  5. Step 5: Solve for x
    x = 80,389,715,322.84/297,676.72
  6. Step 6: Final answer
    x = 270,057.11

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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.