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Finding the Fourth Proportional to 383,630.73, 529,412.67 and 222,581.67

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Solution

The fourth proportional to 383,630.73, 529,412.67 and 222,581.67 is: 307,164.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,630.73 : 529,412.67 = 222,581.67 : x
  2. Step 2: Convert to fraction form
    383,630.73/529,412.67 = 222,581.67/x
  3. Step 3: Cross multiply
    383,630.73x = 529,412.67 × 222,581.67
  4. Step 4: Simplify right side
    383,630.73x = 117,837,556,207.76
  5. Step 5: Solve for x
    x = 117,837,556,207.76/383,630.73
  6. Step 6: Final answer
    x = 307,164.02

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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.