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Finding the Fourth Proportional to 353.22, 529.48 and 122.04

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Solution

The fourth proportional to 353.22, 529.48 and 122.04 is: 182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.22 : 529.48 = 122.04 : x
  2. Step 2: Convert to fraction form
    353.22/529.48 = 122.04/x
  3. Step 3: Cross multiply
    353.22x = 529.48 × 122.04
  4. Step 4: Simplify right side
    353.22x = 64,614.48
  5. Step 5: Solve for x
    x = 64,614.48/353.22
  6. Step 6: Final answer
    x = 182.93

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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.