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Finding the Fourth Proportional to 794.68, 1,191.71 and 332.15

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Solution

The fourth proportional to 794.68, 1,191.71 and 332.15 is: 498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.68 : 1,191.71 = 332.15 : x
  2. Step 2: Convert to fraction form
    794.68/1,191.71 = 332.15/x
  3. Step 3: Cross multiply
    794.68x = 1,191.71 × 332.15
  4. Step 4: Simplify right side
    794.68x = 395,821.35
  5. Step 5: Solve for x
    x = 395,821.35/794.68
  6. Step 6: Final answer
    x = 498.09

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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.