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Finding the Fourth Proportional to 444.74, 613.72 and 248.24

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Solution

The fourth proportional to 444.74, 613.72 and 248.24 is: 342.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.74 : 613.72 = 248.24 : x
  2. Step 2: Convert to fraction form
    444.74/613.72 = 248.24/x
  3. Step 3: Cross multiply
    444.74x = 613.72 × 248.24
  4. Step 4: Simplify right side
    444.74x = 152,351.70
  5. Step 5: Solve for x
    x = 152,351.70/444.74
  6. Step 6: Final answer
    x = 342.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.