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Finding the Fourth Proportional to 794.36, 1,191.33 and 332.15

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Solution

The fourth proportional to 794.36, 1,191.33 and 332.15 is: 498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.36 : 1,191.33 = 332.15 : x
  2. Step 2: Convert to fraction form
    794.36/1,191.33 = 332.15/x
  3. Step 3: Cross multiply
    794.36x = 1,191.33 × 332.15
  4. Step 4: Simplify right side
    794.36x = 395,694.30
  5. Step 5: Solve for x
    x = 395,694.30/794.36
  6. Step 6: Final answer
    x = 498.13

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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.