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Finding the Fourth Proportional to 960.73, 1,324.07 and 723.06

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Solution

The fourth proportional to 960.73, 1,324.07 and 723.06 is: 996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.73 : 1,324.07 = 723.06 : x
  2. Step 2: Convert to fraction form
    960.73/1,324.07 = 723.06/x
  3. Step 3: Cross multiply
    960.73x = 1,324.07 × 723.06
  4. Step 4: Simplify right side
    960.73x = 957,382.05
  5. Step 5: Solve for x
    x = 957,382.05/960.73
  6. Step 6: Final answer
    x = 996.52

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.