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Finding the Fourth Proportional to 382,668.67, 574,086.05 and 116,422.27

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Solution

The fourth proportional to 382,668.67, 574,086.05 and 116,422.27 is: 174,658.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,668.67 : 574,086.05 = 116,422.27 : x
  2. Step 2: Convert to fraction form
    382,668.67/574,086.05 = 116,422.27/x
  3. Step 3: Cross multiply
    382,668.67x = 574,086.05 × 116,422.27
  4. Step 4: Simplify right side
    382,668.67x = 66,836,401,116.33
  5. Step 5: Solve for x
    x = 66,836,401,116.33/382,668.67
  6. Step 6: Final answer
    x = 174,658.67

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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.