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Finding the Fourth Proportional to 1,483.23, 2,224.80 and 443.25

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Solution

The fourth proportional to 1,483.23, 2,224.80 and 443.25 is: 664.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.23 : 2,224.80 = 443.25 : x
  2. Step 2: Convert to fraction form
    1,483.23/2,224.80 = 443.25/x
  3. Step 3: Cross multiply
    1,483.23x = 2,224.80 × 443.25
  4. Step 4: Simplify right side
    1,483.23x = 986,142.60
  5. Step 5: Solve for x
    x = 986,142.60/1,483.23
  6. Step 6: Final answer
    x = 664.86

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1.5x scale

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.