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Finding the Fourth Proportional to 626,517.44, 940,171.50 and 266,687.72

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Solution

The fourth proportional to 626,517.44, 940,171.50 and 266,687.72 is: 400,199.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,517.44 : 940,171.50 = 266,687.72 : x
  2. Step 2: Convert to fraction form
    626,517.44/940,171.50 = 266,687.72/x
  3. Step 3: Cross multiply
    626,517.44x = 940,171.50 × 266,687.72
  4. Step 4: Simplify right side
    626,517.44x = 250,732,193,743.98
  5. Step 5: Solve for x
    x = 250,732,193,743.98/626,517.44
  6. Step 6: Final answer
    x = 400,199.86

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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.