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Finding the Fourth Proportional to 396,224.75, 593,205.26 and 371,085.86

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Solution

The fourth proportional to 396,224.75, 593,205.26 and 371,085.86 is: 555,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,224.75 : 593,205.26 = 371,085.86 : x
  2. Step 2: Convert to fraction form
    396,224.75/593,205.26 = 371,085.86/x
  3. Step 3: Cross multiply
    396,224.75x = 593,205.26 × 371,085.86
  4. Step 4: Simplify right side
    396,224.75x = 220,130,079,242.17
  5. Step 5: Solve for x
    x = 220,130,079,242.17/396,224.75
  6. Step 6: Final answer
    x = 555,568.73

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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.