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Finding the Fourth Proportional to 623.73, 860.97 and 375.14

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Solution

The fourth proportional to 623.73, 860.97 and 375.14 is: 517.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.73 : 860.97 = 375.14 : x
  2. Step 2: Convert to fraction form
    623.73/860.97 = 375.14/x
  3. Step 3: Cross multiply
    623.73x = 860.97 × 375.14
  4. Step 4: Simplify right side
    623.73x = 322,979.98
  5. Step 5: Solve for x
    x = 322,979.98/623.73
  6. Step 6: Final answer
    x = 517.82

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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.