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Finding the Fourth Proportional to 626,515.44, 940,168.50 and 266,685.72

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Solution

The fourth proportional to 626,515.44, 940,168.50 and 266,685.72 is: 400,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,515.44 : 940,168.50 = 266,685.72 : x
  2. Step 2: Convert to fraction form
    626,515.44/940,168.50 = 266,685.72/x
  3. Step 3: Cross multiply
    626,515.44x = 940,168.50 × 266,685.72
  4. Step 4: Simplify right side
    626,515.44x = 250,729,513,343.82
  5. Step 5: Solve for x
    x = 250,729,513,343.82/626,515.44
  6. Step 6: Final answer
    x = 400,196.86

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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.