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Finding the Fourth Proportional to 333.24, 459.72 and 234.60

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Solution

The fourth proportional to 333.24, 459.72 and 234.60 is: 323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.24 : 459.72 = 234.60 : x
  2. Step 2: Convert to fraction form
    333.24/459.72 = 234.60/x
  3. Step 3: Cross multiply
    333.24x = 459.72 × 234.60
  4. Step 4: Simplify right side
    333.24x = 107,850.31
  5. Step 5: Solve for x
    x = 107,850.31/333.24
  6. Step 6: Final answer
    x = 323.64

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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.