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Finding the Fourth Proportional to 443.98, 665.94 and 183.92

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Solution

The fourth proportional to 443.98, 665.94 and 183.92 is: 275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    443.98 : 665.94 = 183.92 : x
  2. Step 2: Convert to fraction form
    443.98/665.94 = 183.92/x
  3. Step 3: Cross multiply
    443.98x = 665.94 × 183.92
  4. Step 4: Simplify right side
    443.98x = 122,479.76
  5. Step 5: Solve for x
    x = 122,479.76/443.98
  6. Step 6: Final answer
    x = 275.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.