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Finding the Fourth Proportional to 446.28, 616.32 and 335.58

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Solution

The fourth proportional to 446.28, 616.32 and 335.58 is: 463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.28 : 616.32 = 335.58 : x
  2. Step 2: Convert to fraction form
    446.28/616.32 = 335.58/x
  3. Step 3: Cross multiply
    446.28x = 616.32 × 335.58
  4. Step 4: Simplify right side
    446.28x = 206,824.67
  5. Step 5: Solve for x
    x = 206,824.67/446.28
  6. Step 6: Final answer
    x = 463.44

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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.