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Finding the Fourth Proportional to 379,396.66, 568,928.91 and 113,104.12

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Solution

The fourth proportional to 379,396.66, 568,928.91 and 113,104.12 is: 169,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,396.66 : 568,928.91 = 113,104.12 : x
  2. Step 2: Convert to fraction form
    379,396.66/568,928.91 = 113,104.12/x
  3. Step 3: Cross multiply
    379,396.66x = 568,928.91 × 113,104.12
  4. Step 4: Simplify right side
    379,396.66x = 64,348,205,376.78
  5. Step 5: Solve for x
    x = 64,348,205,376.78/379,396.66
  6. Step 6: Final answer
    x = 169,606.67

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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.