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Finding the Fourth Proportional to 335.44, 459.56 and 322.48

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Solution

The fourth proportional to 335.44, 459.56 and 322.48 is: 441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.44 : 459.56 = 322.48 : x
  2. Step 2: Convert to fraction form
    335.44/459.56 = 322.48/x
  3. Step 3: Cross multiply
    335.44x = 459.56 × 322.48
  4. Step 4: Simplify right side
    335.44x = 148,198.91
  5. Step 5: Solve for x
    x = 148,198.91/335.44
  6. Step 6: Final answer
    x = 441.80

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.