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Finding the Fourth Proportional to 1,483.52, 2,224.87 and 443.48

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Solution

The fourth proportional to 1,483.52, 2,224.87 and 443.48 is: 665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.52 : 2,224.87 = 443.48 : x
  2. Step 2: Convert to fraction form
    1,483.52/2,224.87 = 443.48/x
  3. Step 3: Cross multiply
    1,483.52x = 2,224.87 × 443.48
  4. Step 4: Simplify right side
    1,483.52x = 986,673.11
  5. Step 5: Solve for x
    x = 986,673.11/1,483.52
  6. Step 6: Final answer
    x = 665.09

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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.