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Finding the Fourth Proportional to 795.36, 1,192.62 and 308.54

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Solution

The fourth proportional to 795.36, 1,192.62 and 308.54 is: 462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.36 : 1,192.62 = 308.54 : x
  2. Step 2: Convert to fraction form
    795.36/1,192.62 = 308.54/x
  3. Step 3: Cross multiply
    795.36x = 1,192.62 × 308.54
  4. Step 4: Simplify right side
    795.36x = 367,970.97
  5. Step 5: Solve for x
    x = 367,970.97/795.36
  6. Step 6: Final answer
    x = 462.65

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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.