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Finding the Fourth Proportional to 335.10, 459.48 and 323.51

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Solution

The fourth proportional to 335.10, 459.48 and 323.51 is: 443.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.10 : 459.48 = 323.51 : x
  2. Step 2: Convert to fraction form
    335.10/459.48 = 323.51/x
  3. Step 3: Cross multiply
    335.10x = 459.48 × 323.51
  4. Step 4: Simplify right side
    335.10x = 148,644.08
  5. Step 5: Solve for x
    x = 148,644.08/335.10
  6. Step 6: Final answer
    x = 443.58

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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.