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Finding the Fourth Proportional to 452.12, 623.58 and 335.48

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Solution

The fourth proportional to 452.12, 623.58 and 335.48 is: 462.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.12 : 623.58 = 335.48 : x
  2. Step 2: Convert to fraction form
    452.12/623.58 = 335.48/x
  3. Step 3: Cross multiply
    452.12x = 623.58 × 335.48
  4. Step 4: Simplify right side
    452.12x = 209,198.62
  5. Step 5: Solve for x
    x = 209,198.62/452.12
  6. Step 6: Final answer
    x = 462.71

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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.