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Finding the Fourth Proportional to 505,163.79, 757,745.69 and 150,177.24

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Solution

The fourth proportional to 505,163.79, 757,745.69 and 150,177.24 is: 225,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,163.79 : 757,745.69 = 150,177.24 : x
  2. Step 2: Convert to fraction form
    505,163.79/757,745.69 = 150,177.24/x
  3. Step 3: Cross multiply
    505,163.79x = 757,745.69 × 150,177.24
  4. Step 4: Simplify right side
    505,163.79x = 113,796,155,595.21
  5. Step 5: Solve for x
    x = 113,796,155,595.21/505,163.79
  6. Step 6: Final answer
    x = 225,265.86

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Similar ratio
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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.