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Finding the Fourth Proportional to 352.93, 529.46 and 170.32

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Solution

The fourth proportional to 352.93, 529.46 and 170.32 is: 255.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.93 : 529.46 = 170.32 : x
  2. Step 2: Convert to fraction form
    352.93/529.46 = 170.32/x
  3. Step 3: Cross multiply
    352.93x = 529.46 × 170.32
  4. Step 4: Simplify right side
    352.93x = 90,176.78
  5. Step 5: Solve for x
    x = 90,176.78/352.93
  6. Step 6: Final answer
    x = 255.51

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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.