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Finding the Fourth Proportional to 795.63, 1,193.21 and 308.57

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Solution

The fourth proportional to 795.63, 1,193.21 and 308.57 is: 462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.63 : 1,193.21 = 308.57 : x
  2. Step 2: Convert to fraction form
    795.63/1,193.21 = 308.57/x
  3. Step 3: Cross multiply
    795.63x = 1,193.21 × 308.57
  4. Step 4: Simplify right side
    795.63x = 368,181.30
  5. Step 5: Solve for x
    x = 368,181.30/795.63
  6. Step 6: Final answer
    x = 462.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.