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Finding the Fourth Proportional to 295.56, 407.82 and 192

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Solution

The fourth proportional to 295.56, 407.82 and 192 is: 264.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.56 : 407.82 = 192 : x
  2. Step 2: Convert to fraction form
    295.56/407.82 = 192/x
  3. Step 3: Cross multiply
    295.56x = 407.82 × 192
  4. Step 4: Simplify right side
    295.56x = 78,301.44
  5. Step 5: Solve for x
    x = 78,301.44/295.56
  6. Step 6: Final answer
    x = 264.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.