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Finding the Fourth Proportional to 459.96, 634.76 and 273.48

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Solution

The fourth proportional to 459.96, 634.76 and 273.48 is: 377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.96 : 634.76 = 273.48 : x
  2. Step 2: Convert to fraction form
    459.96/634.76 = 273.48/x
  3. Step 3: Cross multiply
    459.96x = 634.76 × 273.48
  4. Step 4: Simplify right side
    459.96x = 173,594.16
  5. Step 5: Solve for x
    x = 173,594.16/459.96
  6. Step 6: Final answer
    x = 377.41

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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.