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Finding the Fourth Proportional to 404,934, 558,843.48 and 226,120.56

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Solution

The fourth proportional to 404,934, 558,843.48 and 226,120.56 is: 312,065.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,934 : 558,843.48 = 226,120.56 : x
  2. Step 2: Convert to fraction form
    404,934/558,843.48 = 226,120.56/x
  3. Step 3: Cross multiply
    404,934x = 558,843.48 × 226,120.56
  4. Step 4: Simplify right side
    404,934x = 126,366,000,649.95
  5. Step 5: Solve for x
    x = 126,366,000,649.95/404,934
  6. Step 6: Final answer
    x = 312,065.67

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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.