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Finding the Fourth Proportional to 335.54, 463.44 and 283.26

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Solution

The fourth proportional to 335.54, 463.44 and 283.26 is: 391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.54 : 463.44 = 283.26 : x
  2. Step 2: Convert to fraction form
    335.54/463.44 = 283.26/x
  3. Step 3: Cross multiply
    335.54x = 463.44 × 283.26
  4. Step 4: Simplify right side
    335.54x = 131,274.01
  5. Step 5: Solve for x
    x = 131,274.01/335.54
  6. Step 6: Final answer
    x = 391.23

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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.