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Finding the Fourth Proportional to 495.36, 743.08 and 130.14

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Solution

The fourth proportional to 495.36, 743.08 and 130.14 is: 195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.36 : 743.08 = 130.14 : x
  2. Step 2: Convert to fraction form
    495.36/743.08 = 130.14/x
  3. Step 3: Cross multiply
    495.36x = 743.08 × 130.14
  4. Step 4: Simplify right side
    495.36x = 96,704.43
  5. Step 5: Solve for x
    x = 96,704.43/495.36
  6. Step 6: Final answer
    x = 195.22

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