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Finding the Fourth Proportional to 459.97, 634.62 and 335.92

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Solution

The fourth proportional to 459.97, 634.62 and 335.92 is: 463.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.97 : 634.62 = 335.92 : x
  2. Step 2: Convert to fraction form
    459.97/634.62 = 335.92/x
  3. Step 3: Cross multiply
    459.97x = 634.62 × 335.92
  4. Step 4: Simplify right side
    459.97x = 213,181.55
  5. Step 5: Solve for x
    x = 213,181.55/459.97
  6. Step 6: Final answer
    x = 463.47

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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.