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Finding the Fourth Proportional to 444.89, 613.98 and 248.47

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Solution

The fourth proportional to 444.89, 613.98 and 248.47 is: 342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.89 : 613.98 = 248.47 : x
  2. Step 2: Convert to fraction form
    444.89/613.98 = 248.47/x
  3. Step 3: Cross multiply
    444.89x = 613.98 × 248.47
  4. Step 4: Simplify right side
    444.89x = 152,554.08
  5. Step 5: Solve for x
    x = 152,554.08/444.89
  6. Step 6: Final answer
    x = 342.90

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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.