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Finding the Fourth Proportional to 1,484.25, 2,226.00 and 443.99

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Solution

The fourth proportional to 1,484.25, 2,226.00 and 443.99 is: 665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.25 : 2,226.00 = 443.99 : x
  2. Step 2: Convert to fraction form
    1,484.25/2,226.00 = 443.99/x
  3. Step 3: Cross multiply
    1,484.25x = 2,226.00 × 443.99
  4. Step 4: Simplify right side
    1,484.25x = 988,313.95
  5. Step 5: Solve for x
    x = 988,313.95/1,484.25
  6. Step 6: Final answer
    x = 665.87

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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.