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Finding the Fourth Proportional to 198,375.52, 297,563.28 and 50,631.52

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Solution

The fourth proportional to 198,375.52, 297,563.28 and 50,631.52 is: 75,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,375.52 : 297,563.28 = 50,631.52 : x
  2. Step 2: Convert to fraction form
    198,375.52/297,563.28 = 50,631.52/x
  3. Step 3: Cross multiply
    198,375.52x = 297,563.28 × 50,631.52
  4. Step 4: Simplify right side
    198,375.52x = 15,066,081,162.59
  5. Step 5: Solve for x
    x = 15,066,081,162.59/198,375.52
  6. Step 6: Final answer
    x = 75,947.28

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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.