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Finding the Fourth Proportional to 202,253.70, 303,380.55 and 198,317.10

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Solution

The fourth proportional to 202,253.70, 303,380.55 and 198,317.10 is: 297,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,253.70 : 303,380.55 = 198,317.10 : x
  2. Step 2: Convert to fraction form
    202,253.70/303,380.55 = 198,317.10/x
  3. Step 3: Cross multiply
    202,253.70x = 303,380.55 × 198,317.10
  4. Step 4: Simplify right side
    202,253.70x = 60,165,550,872.41
  5. Step 5: Solve for x
    x = 60,165,550,872.41/202,253.70
  6. Step 6: Final answer
    x = 297,475.65

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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.