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Finding the Fourth Proportional to 333.25, 459.72 and 235.06

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Solution

The fourth proportional to 333.25, 459.72 and 235.06 is: 324.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.25 : 459.72 = 235.06 : x
  2. Step 2: Convert to fraction form
    333.25/459.72 = 235.06/x
  3. Step 3: Cross multiply
    333.25x = 459.72 × 235.06
  4. Step 4: Simplify right side
    333.25x = 108,061.78
  5. Step 5: Solve for x
    x = 108,061.78/333.25
  6. Step 6: Final answer
    x = 324.27

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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.