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Finding the Fourth Proportional to 295.16, 441.91 and 192.18

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Solution

The fourth proportional to 295.16, 441.91 and 192.18 is: 287.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.16 : 441.91 = 192.18 : x
  2. Step 2: Convert to fraction form
    295.16/441.91 = 192.18/x
  3. Step 3: Cross multiply
    295.16x = 441.91 × 192.18
  4. Step 4: Simplify right side
    295.16x = 84,926.26
  5. Step 5: Solve for x
    x = 84,926.26/295.16
  6. Step 6: Final answer
    x = 287.73

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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.