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Finding the Fourth Proportional to 202,499.80, 303,749.70 and 191,674.15

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Solution

The fourth proportional to 202,499.80, 303,749.70 and 191,674.15 is: 287,511.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,499.80 : 303,749.70 = 191,674.15 : x
  2. Step 2: Convert to fraction form
    202,499.80/303,749.70 = 191,674.15/x
  3. Step 3: Cross multiply
    202,499.80x = 303,749.70 × 191,674.15
  4. Step 4: Simplify right side
    202,499.80x = 58,220,965,560.26
  5. Step 5: Solve for x
    x = 58,220,965,560.26/202,499.80
  6. Step 6: Final answer
    x = 287,511.23

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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.