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Finding the Fourth Proportional to 353.24, 529.68 and 122.06

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Solution

The fourth proportional to 353.24, 529.68 and 122.06 is: 183.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.24 : 529.68 = 122.06 : x
  2. Step 2: Convert to fraction form
    353.24/529.68 = 122.06/x
  3. Step 3: Cross multiply
    353.24x = 529.68 × 122.06
  4. Step 4: Simplify right side
    353.24x = 64,650.55
  5. Step 5: Solve for x
    x = 64,650.55/353.24
  6. Step 6: Final answer
    x = 183.02

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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.