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Finding the Fourth Proportional to 440.89, 608.49 and 263.86

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Solution

The fourth proportional to 440.89, 608.49 and 263.86 is: 364.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.89 : 608.49 = 263.86 : x
  2. Step 2: Convert to fraction form
    440.89/608.49 = 263.86/x
  3. Step 3: Cross multiply
    440.89x = 608.49 × 263.86
  4. Step 4: Simplify right side
    440.89x = 160,554.65
  5. Step 5: Solve for x
    x = 160,554.65/440.89
  6. Step 6: Final answer
    x = 364.16

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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.