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Finding the Fourth Proportional to 352.88, 529.04 and 170.08

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Solution

The fourth proportional to 352.88, 529.04 and 170.08 is: 254.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.88 : 529.04 = 170.08 : x
  2. Step 2: Convert to fraction form
    352.88/529.04 = 170.08/x
  3. Step 3: Cross multiply
    352.88x = 529.04 × 170.08
  4. Step 4: Simplify right side
    352.88x = 89,979.12
  5. Step 5: Solve for x
    x = 89,979.12/352.88
  6. Step 6: Final answer
    x = 254.99

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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.