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Finding the Fourth Proportional to 360.04, 539.10 and 196.96

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Solution

The fourth proportional to 360.04, 539.10 and 196.96 is: 294.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.04 : 539.10 = 196.96 : x
  2. Step 2: Convert to fraction form
    360.04/539.10 = 196.96/x
  3. Step 3: Cross multiply
    360.04x = 539.10 × 196.96
  4. Step 4: Simplify right side
    360.04x = 106,181.14
  5. Step 5: Solve for x
    x = 106,181.14/360.04
  6. Step 6: Final answer
    x = 294.91

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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.