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Finding the Fourth Proportional to 295.62, 443.61 and 186

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Solution

The fourth proportional to 295.62, 443.61 and 186 is: 279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.62 : 443.61 = 186 : x
  2. Step 2: Convert to fraction form
    295.62/443.61 = 186/x
  3. Step 3: Cross multiply
    295.62x = 443.61 × 186
  4. Step 4: Simplify right side
    295.62x = 82,511.46
  5. Step 5: Solve for x
    x = 82,511.46/295.62
  6. Step 6: Final answer
    x = 279.11

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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.