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Finding the Fourth Proportional to 329,067.05, 493,674.39 and 104,434.83

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Solution

The fourth proportional to 329,067.05, 493,674.39 and 104,434.83 is: 156,675.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,067.05 : 493,674.39 = 104,434.83 : x
  2. Step 2: Convert to fraction form
    329,067.05/493,674.39 = 104,434.83/x
  3. Step 3: Cross multiply
    329,067.05x = 493,674.39 × 104,434.83
  4. Step 4: Simplify right side
    329,067.05x = 51,556,800,995.00
  5. Step 5: Solve for x
    x = 51,556,800,995.00/329,067.05
  6. Step 6: Final answer
    x = 156,675.67

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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.