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Finding the Fourth Proportional to 797.46, 1,194.90 and 334.86

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Solution

The fourth proportional to 797.46, 1,194.90 and 334.86 is: 501.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.46 : 1,194.90 = 334.86 : x
  2. Step 2: Convert to fraction form
    797.46/1,194.90 = 334.86/x
  3. Step 3: Cross multiply
    797.46x = 1,194.90 × 334.86
  4. Step 4: Simplify right side
    797.46x = 400,124.21
  5. Step 5: Solve for x
    x = 400,124.21/797.46
  6. Step 6: Final answer
    x = 501.75

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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.