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Finding the Fourth Proportional to 362,996.70, 500,947.58 and 199,660.10

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Solution

The fourth proportional to 362,996.70, 500,947.58 and 199,660.10 is: 275,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,996.70 : 500,947.58 = 199,660.10 : x
  2. Step 2: Convert to fraction form
    362,996.70/500,947.58 = 199,660.10/x
  3. Step 3: Cross multiply
    362,996.70x = 500,947.58 × 199,660.10
  4. Step 4: Simplify right side
    362,996.70x = 100,019,243,917.56
  5. Step 5: Solve for x
    x = 100,019,243,917.56/362,996.70
  6. Step 6: Final answer
    x = 275,537.61

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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.