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Finding the Fourth Proportional to 352.98, 529.35 and 181.98

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Solution

The fourth proportional to 352.98, 529.35 and 181.98 is: 272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.98 : 529.35 = 181.98 : x
  2. Step 2: Convert to fraction form
    352.98/529.35 = 181.98/x
  3. Step 3: Cross multiply
    352.98x = 529.35 × 181.98
  4. Step 4: Simplify right side
    352.98x = 96,331.11
  5. Step 5: Solve for x
    x = 96,331.11/352.98
  6. Step 6: Final answer
    x = 272.91

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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.