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Finding the Fourth Proportional to 383,842.44, 529,531.43 and 222,604.20

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Solution

The fourth proportional to 383,842.44, 529,531.43 and 222,604.20 is: 307,094.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,842.44 : 529,531.43 = 222,604.20 : x
  2. Step 2: Convert to fraction form
    383,842.44/529,531.43 = 222,604.20/x
  3. Step 3: Cross multiply
    383,842.44x = 529,531.43 × 222,604.20
  4. Step 4: Simplify right side
    383,842.44x = 117,875,919,236.99
  5. Step 5: Solve for x
    x = 117,875,919,236.99/383,842.44
  6. Step 6: Final answer
    x = 307,094.54

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1.5x scale

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.