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Finding the Fourth Proportional to 383,384.92, 529,073.30 and 222,335.46

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Solution

The fourth proportional to 383,384.92, 529,073.30 and 222,335.46 is: 306,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,384.92 : 529,073.30 = 222,335.46 : x
  2. Step 2: Convert to fraction form
    383,384.92/529,073.30 = 222,335.46/x
  3. Step 3: Cross multiply
    383,384.92x = 529,073.30 × 222,335.46
  4. Step 4: Simplify right side
    383,384.92x = 117,631,755,529.22
  5. Step 5: Solve for x
    x = 117,631,755,529.22/383,384.92
  6. Step 6: Final answer
    x = 306,824.16

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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.