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Finding the Fourth Proportional to 1,334.97, 1,843.34 and 1,194.84

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Solution

The fourth proportional to 1,334.97, 1,843.34 and 1,194.84 is: 1,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.97 : 1,843.34 = 1,194.84 : x
  2. Step 2: Convert to fraction form
    1,334.97/1,843.34 = 1,194.84/x
  3. Step 3: Cross multiply
    1,334.97x = 1,843.34 × 1,194.84
  4. Step 4: Simplify right side
    1,334.97x = 2,202,490.39
  5. Step 5: Solve for x
    x = 2,202,490.39/1,334.97
  6. Step 6: Final answer
    x = 1,649.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.