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Finding the Fourth Proportional to 361.50, 542.69 and 304.44

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Solution

The fourth proportional to 361.50, 542.69 and 304.44 is: 457.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.50 : 542.69 = 304.44 : x
  2. Step 2: Convert to fraction form
    361.50/542.69 = 304.44/x
  3. Step 3: Cross multiply
    361.50x = 542.69 × 304.44
  4. Step 4: Simplify right side
    361.50x = 165,215.02
  5. Step 5: Solve for x
    x = 165,215.02/361.50
  6. Step 6: Final answer
    x = 457.03

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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.