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Finding the Fourth Proportional to 383,093.38, 574,245.78 and 169,961.67

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Solution

The fourth proportional to 383,093.38, 574,245.78 and 169,961.67 is: 254,767.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,093.38 : 574,245.78 = 169,961.67 : x
  2. Step 2: Convert to fraction form
    383,093.38/574,245.78 = 169,961.67/x
  3. Step 3: Cross multiply
    383,093.38x = 574,245.78 × 169,961.67
  4. Step 4: Simplify right side
    383,093.38x = 97,599,768,888.02
  5. Step 5: Solve for x
    x = 97,599,768,888.02/383,093.38
  6. Step 6: Final answer
    x = 254,767.57

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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.