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Finding the Fourth Proportional to 383,383.92, 529,071.92 and 222,334.46

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Solution

The fourth proportional to 383,383.92, 529,071.92 and 222,334.46 is: 306,822.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,383.92 : 529,071.92 = 222,334.46 : x
  2. Step 2: Convert to fraction form
    383,383.92/529,071.92 = 222,334.46/x
  3. Step 3: Cross multiply
    383,383.92x = 529,071.92 × 222,334.46
  4. Step 4: Simplify right side
    383,383.92x = 117,630,919,634.36
  5. Step 5: Solve for x
    x = 117,630,919,634.36/383,383.92
  6. Step 6: Final answer
    x = 306,822.78

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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.