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Finding the Fourth Proportional to 444.39, 613.26 and 247.92

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Solution

The fourth proportional to 444.39, 613.26 and 247.92 is: 342.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.39 : 613.26 = 247.92 : x
  2. Step 2: Convert to fraction form
    444.39/613.26 = 247.92/x
  3. Step 3: Cross multiply
    444.39x = 613.26 × 247.92
  4. Step 4: Simplify right side
    444.39x = 152,039.42
  5. Step 5: Solve for x
    x = 152,039.42/444.39
  6. Step 6: Final answer
    x = 342.13

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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.