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Finding the Fourth Proportional to 795.78, 1,193.44 and 333.55

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Solution

The fourth proportional to 795.78, 1,193.44 and 333.55 is: 500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.78 : 1,193.44 = 333.55 : x
  2. Step 2: Convert to fraction form
    795.78/1,193.44 = 333.55/x
  3. Step 3: Cross multiply
    795.78x = 1,193.44 × 333.55
  4. Step 4: Simplify right side
    795.78x = 398,065.11
  5. Step 5: Solve for x
    x = 398,065.11/795.78
  6. Step 6: Final answer
    x = 500.22

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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.