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Finding the Fourth Proportional to 381,370.80, 526,092.99 and 226,231.85

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Solution

The fourth proportional to 381,370.80, 526,092.99 and 226,231.85 is: 312,082.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,370.80 : 526,092.99 = 226,231.85 : x
  2. Step 2: Convert to fraction form
    381,370.80/526,092.99 = 226,231.85/x
  3. Step 3: Cross multiply
    381,370.80x = 526,092.99 × 226,231.85
  4. Step 4: Simplify right side
    381,370.80x = 119,018,987,769.27
  5. Step 5: Solve for x
    x = 119,018,987,769.27/381,370.80
  6. Step 6: Final answer
    x = 312,082.07

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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.