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Finding the Fourth Proportional to 362,120.70, 499,725.75 and 200,977.62

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Solution

The fourth proportional to 362,120.70, 499,725.75 and 200,977.62 is: 277,348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,120.70 : 499,725.75 = 200,977.62 : x
  2. Step 2: Convert to fraction form
    362,120.70/499,725.75 = 200,977.62/x
  3. Step 3: Cross multiply
    362,120.70x = 499,725.75 × 200,977.62
  4. Step 4: Simplify right side
    362,120.70x = 100,433,691,887.72
  5. Step 5: Solve for x
    x = 100,433,691,887.72/362,120.70
  6. Step 6: Final answer
    x = 277,348.66

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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.