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Finding the Fourth Proportional to 495.64, 743.01 and 206.92

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Solution

The fourth proportional to 495.64, 743.01 and 206.92 is: 310.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.64 : 743.01 = 206.92 : x
  2. Step 2: Convert to fraction form
    495.64/743.01 = 206.92/x
  3. Step 3: Cross multiply
    495.64x = 743.01 × 206.92
  4. Step 4: Simplify right side
    495.64x = 153,743.63
  5. Step 5: Solve for x
    x = 153,743.63/495.64
  6. Step 6: Final answer
    x = 310.19

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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.