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Finding the Fourth Proportional to 1,297.33, 1,946.04 and 323.44

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Solution

The fourth proportional to 1,297.33, 1,946.04 and 323.44 is: 485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297.33 : 1,946.04 = 323.44 : x
  2. Step 2: Convert to fraction form
    1,297.33/1,946.04 = 323.44/x
  3. Step 3: Cross multiply
    1,297.33x = 1,946.04 × 323.44
  4. Step 4: Simplify right side
    1,297.33x = 629,427.18
  5. Step 5: Solve for x
    x = 629,427.18/1,297.33
  6. Step 6: Final answer
    x = 485.17

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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.