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Finding the Fourth Proportional to 351,249.26, 526,873.91 and 85,009.82

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Solution

The fourth proportional to 351,249.26, 526,873.91 and 85,009.82 is: 127,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,249.26 : 526,873.91 = 85,009.82 : x
  2. Step 2: Convert to fraction form
    351,249.26/526,873.91 = 85,009.82/x
  3. Step 3: Cross multiply
    351,249.26x = 526,873.91 × 85,009.82
  4. Step 4: Simplify right side
    351,249.26x = 44,789,456,251.80
  5. Step 5: Solve for x
    x = 44,789,456,251.80/351,249.26
  6. Step 6: Final answer
    x = 127,514.73

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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.