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Finding the Fourth Proportional to 337.89, 468.44 and 320.33

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Solution

The fourth proportional to 337.89, 468.44 and 320.33 is: 444.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.89 : 468.44 = 320.33 : x
  2. Step 2: Convert to fraction form
    337.89/468.44 = 320.33/x
  3. Step 3: Cross multiply
    337.89x = 468.44 × 320.33
  4. Step 4: Simplify right side
    337.89x = 150,051.44
  5. Step 5: Solve for x
    x = 150,051.44/337.89
  6. Step 6: Final answer
    x = 444.08

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.