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Finding the Fourth Proportional to 795.29, 1,193.58 and 680.46

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Solution

The fourth proportional to 795.29, 1,193.58 and 680.46 is: 1,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.29 : 1,193.58 = 680.46 : x
  2. Step 2: Convert to fraction form
    795.29/1,193.58 = 680.46/x
  3. Step 3: Cross multiply
    795.29x = 1,193.58 × 680.46
  4. Step 4: Simplify right side
    795.29x = 812,183.45
  5. Step 5: Solve for x
    x = 812,183.45/795.29
  6. Step 6: Final answer
    x = 1,021.25

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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.