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Finding the Fourth Proportional to 442.41, 610.53 and 245.94

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Solution

The fourth proportional to 442.41, 610.53 and 245.94 is: 339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442.41 : 610.53 = 245.94 : x
  2. Step 2: Convert to fraction form
    442.41/610.53 = 245.94/x
  3. Step 3: Cross multiply
    442.41x = 610.53 × 245.94
  4. Step 4: Simplify right side
    442.41x = 150,153.75
  5. Step 5: Solve for x
    x = 150,153.75/442.41
  6. Step 6: Final answer
    x = 339.40

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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.