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Finding the Fourth Proportional to 202,027.80, 303,624.90 and 198,528.60

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Solution

The fourth proportional to 202,027.80, 303,624.90 and 198,528.60 is: 298,366.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,027.80 : 303,624.90 = 198,528.60 : x
  2. Step 2: Convert to fraction form
    202,027.80/303,624.90 = 198,528.60/x
  3. Step 3: Cross multiply
    202,027.80x = 303,624.90 × 198,528.60
  4. Step 4: Simplify right side
    202,027.80x = 60,278,226,322.14
  5. Step 5: Solve for x
    x = 60,278,226,322.14/202,027.80
  6. Step 6: Final answer
    x = 298,366.00

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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.