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Finding the Fourth Proportional to 353.34, 529.83 and 122.22

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Solution

The fourth proportional to 353.34, 529.83 and 122.22 is: 183.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.34 : 529.83 = 122.22 : x
  2. Step 2: Convert to fraction form
    353.34/529.83 = 122.22/x
  3. Step 3: Cross multiply
    353.34x = 529.83 × 122.22
  4. Step 4: Simplify right side
    353.34x = 64,755.82
  5. Step 5: Solve for x
    x = 64,755.82/353.34
  6. Step 6: Final answer
    x = 183.27

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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.