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Finding the Fourth Proportional to 294.65, 441.99 and 187.14

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Solution

The fourth proportional to 294.65, 441.99 and 187.14 is: 280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.65 : 441.99 = 187.14 : x
  2. Step 2: Convert to fraction form
    294.65/441.99 = 187.14/x
  3. Step 3: Cross multiply
    294.65x = 441.99 × 187.14
  4. Step 4: Simplify right side
    294.65x = 82,714.01
  5. Step 5: Solve for x
    x = 82,714.01/294.65
  6. Step 6: Final answer
    x = 280.72

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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.