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Finding the Fourth Proportional to 433.82, 598.46 and 276.48

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Solution

The fourth proportional to 433.82, 598.46 and 276.48 is: 381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.82 : 598.46 = 276.48 : x
  2. Step 2: Convert to fraction form
    433.82/598.46 = 276.48/x
  3. Step 3: Cross multiply
    433.82x = 598.46 × 276.48
  4. Step 4: Simplify right side
    433.82x = 165,462.22
  5. Step 5: Solve for x
    x = 165,462.22/433.82
  6. Step 6: Final answer
    x = 381.41

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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.