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Finding the Fourth Proportional to 794.66, 1,191.71 and 332.31

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Solution

The fourth proportional to 794.66, 1,191.71 and 332.31 is: 498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.66 : 1,191.71 = 332.31 : x
  2. Step 2: Convert to fraction form
    794.66/1,191.71 = 332.31/x
  3. Step 3: Cross multiply
    794.66x = 1,191.71 × 332.31
  4. Step 4: Simplify right side
    794.66x = 396,022.45
  5. Step 5: Solve for x
    x = 396,022.45/794.66
  6. Step 6: Final answer
    x = 498.36

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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.