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Finding the Fourth Proportional to 883.92, 1,324.36 and 473.25

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Solution

The fourth proportional to 883.92, 1,324.36 and 473.25 is: 709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.92 : 1,324.36 = 473.25 : x
  2. Step 2: Convert to fraction form
    883.92/1,324.36 = 473.25/x
  3. Step 3: Cross multiply
    883.92x = 1,324.36 × 473.25
  4. Step 4: Simplify right side
    883.92x = 626,753.37
  5. Step 5: Solve for x
    x = 626,753.37/883.92
  6. Step 6: Final answer
    x = 709.06

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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.