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Finding the Fourth Proportional to 479,093.72, 661,122.24 and 297,801

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Solution

The fourth proportional to 479,093.72, 661,122.24 and 297,801 is: 410,948.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,093.72 : 661,122.24 = 297,801 : x
  2. Step 2: Convert to fraction form
    479,093.72/661,122.24 = 297,801/x
  3. Step 3: Cross multiply
    479,093.72x = 661,122.24 × 297,801
  4. Step 4: Simplify right side
    479,093.72x = 196,882,864,194.24
  5. Step 5: Solve for x
    x = 196,882,864,194.24/479,093.72
  6. Step 6: Final answer
    x = 410,948.54

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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.