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Finding the Fourth Proportional to 361.98, 542.51 and 301.84

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Solution

The fourth proportional to 361.98, 542.51 and 301.84 is: 452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.98 : 542.51 = 301.84 : x
  2. Step 2: Convert to fraction form
    361.98/542.51 = 301.84/x
  3. Step 3: Cross multiply
    361.98x = 542.51 × 301.84
  4. Step 4: Simplify right side
    361.98x = 163,749.48
  5. Step 5: Solve for x
    x = 163,749.48/361.98
  6. Step 6: Final answer
    x = 452.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.