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Finding the Fourth Proportional to 949.97, 1,424.73 and 333.50

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Solution

The fourth proportional to 949.97, 1,424.73 and 333.50 is: 500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.97 : 1,424.73 = 333.50 : x
  2. Step 2: Convert to fraction form
    949.97/1,424.73 = 333.50/x
  3. Step 3: Cross multiply
    949.97x = 1,424.73 × 333.50
  4. Step 4: Simplify right side
    949.97x = 475,147.46
  5. Step 5: Solve for x
    x = 475,147.46/949.97
  6. Step 6: Final answer
    x = 500.17

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.