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Finding the Fourth Proportional to 795.14, 1,192.49 and 308.09

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Solution

The fourth proportional to 795.14, 1,192.49 and 308.09 is: 462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.14 : 1,192.49 = 308.09 : x
  2. Step 2: Convert to fraction form
    795.14/1,192.49 = 308.09/x
  3. Step 3: Cross multiply
    795.14x = 1,192.49 × 308.09
  4. Step 4: Simplify right side
    795.14x = 367,386.74
  5. Step 5: Solve for x
    x = 367,386.74/795.14
  6. Step 6: Final answer
    x = 462.04

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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.