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Finding the Fourth Proportional to 400,791.26, 601,131.26 and 101,253.39

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Solution

The fourth proportional to 400,791.26, 601,131.26 and 101,253.39 is: 151,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,791.26 : 601,131.26 = 101,253.39 : x
  2. Step 2: Convert to fraction form
    400,791.26/601,131.26 = 101,253.39/x
  3. Step 3: Cross multiply
    400,791.26x = 601,131.26 × 101,253.39
  4. Step 4: Simplify right side
    400,791.26x = 60,866,577,403.70
  5. Step 5: Solve for x
    x = 60,866,577,403.70/400,791.26
  6. Step 6: Final answer
    x = 151,866.03

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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.