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Finding the Fourth Proportional to 462.43, 637.98 and 273.33

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Solution

The fourth proportional to 462.43, 637.98 and 273.33 is: 377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.43 : 637.98 = 273.33 : x
  2. Step 2: Convert to fraction form
    462.43/637.98 = 273.33/x
  3. Step 3: Cross multiply
    462.43x = 637.98 × 273.33
  4. Step 4: Simplify right side
    462.43x = 174,380.53
  5. Step 5: Solve for x
    x = 174,380.53/462.43
  6. Step 6: Final answer
    x = 377.10

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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.