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Finding the Fourth Proportional to 361.10, 498.41 and 302.03

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Solution

The fourth proportional to 361.10, 498.41 and 302.03 is: 416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.10 : 498.41 = 302.03 : x
  2. Step 2: Convert to fraction form
    361.10/498.41 = 302.03/x
  3. Step 3: Cross multiply
    361.10x = 498.41 × 302.03
  4. Step 4: Simplify right side
    361.10x = 150,534.77
  5. Step 5: Solve for x
    x = 150,534.77/361.10
  6. Step 6: Final answer
    x = 416.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.