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Finding the Fourth Proportional to 623.27, 860.16 and 374.60

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Solution

The fourth proportional to 623.27, 860.16 and 374.60 is: 516.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.27 : 860.16 = 374.60 : x
  2. Step 2: Convert to fraction form
    623.27/860.16 = 374.60/x
  3. Step 3: Cross multiply
    623.27x = 860.16 × 374.60
  4. Step 4: Simplify right side
    623.27x = 322,211.64
  5. Step 5: Solve for x
    x = 322,211.64/623.27
  6. Step 6: Final answer
    x = 516.97

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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.