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Finding the Fourth Proportional to 361.24, 542.06 and 304.14

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Solution

The fourth proportional to 361.24, 542.06 and 304.14 is: 456.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.24 : 542.06 = 304.14 : x
  2. Step 2: Convert to fraction form
    361.24/542.06 = 304.14/x
  3. Step 3: Cross multiply
    361.24x = 542.06 × 304.14
  4. Step 4: Simplify right side
    361.24x = 164,862.13
  5. Step 5: Solve for x
    x = 164,862.13/361.24
  6. Step 6: Final answer
    x = 456.38

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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.