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Finding the Fourth Proportional to 555.23, 832.73 and 262.73

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Solution

The fourth proportional to 555.23, 832.73 and 262.73 is: 394.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.23 : 832.73 = 262.73 : x
  2. Step 2: Convert to fraction form
    555.23/832.73 = 262.73/x
  3. Step 3: Cross multiply
    555.23x = 832.73 × 262.73
  4. Step 4: Simplify right side
    555.23x = 218,777.68
  5. Step 5: Solve for x
    x = 218,777.68/555.23
  6. Step 6: Final answer
    x = 394.03

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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.