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Finding the Fourth Proportional to 2,029.49, 3,044.23 and 490.49

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Solution

The fourth proportional to 2,029.49, 3,044.23 and 490.49 is: 735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.49 : 3,044.23 = 490.49 : x
  2. Step 2: Convert to fraction form
    2,029.49/3,044.23 = 490.49/x
  3. Step 3: Cross multiply
    2,029.49x = 3,044.23 × 490.49
  4. Step 4: Simplify right side
    2,029.49x = 1,493,164.37
  5. Step 5: Solve for x
    x = 1,493,164.37/2,029.49
  6. Step 6: Final answer
    x = 735.73

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Half scale
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Double scale
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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.