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Finding the Fourth Proportional to 479,003.45, 661,015.55 and 264,163.37

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Solution

The fourth proportional to 479,003.45, 661,015.55 and 264,163.37 is: 364,540.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,003.45 : 661,015.55 = 264,163.37 : x
  2. Step 2: Convert to fraction form
    479,003.45/661,015.55 = 264,163.37/x
  3. Step 3: Cross multiply
    479,003.45x = 661,015.55 × 264,163.37
  4. Step 4: Simplify right side
    479,003.45x = 174,616,092,665.73
  5. Step 5: Solve for x
    x = 174,616,092,665.73/479,003.45
  6. Step 6: Final answer
    x = 364,540.37

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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.