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Finding the Fourth Proportional to 297.69, 410.43 and 192.59

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Solution

The fourth proportional to 297.69, 410.43 and 192.59 is: 265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.69 : 410.43 = 192.59 : x
  2. Step 2: Convert to fraction form
    297.69/410.43 = 192.59/x
  3. Step 3: Cross multiply
    297.69x = 410.43 × 192.59
  4. Step 4: Simplify right side
    297.69x = 79,042.72
  5. Step 5: Solve for x
    x = 79,042.72/297.69
  6. Step 6: Final answer
    x = 265.52

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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.