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Finding the Fourth Proportional to 997.49, 1,496.25 and 267.01

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Solution

The fourth proportional to 997.49, 1,496.25 and 267.01 is: 400.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    997.49 : 1,496.25 = 267.01 : x
  2. Step 2: Convert to fraction form
    997.49/1,496.25 = 267.01/x
  3. Step 3: Cross multiply
    997.49x = 1,496.25 × 267.01
  4. Step 4: Simplify right side
    997.49x = 399,509.97
  5. Step 5: Solve for x
    x = 399,509.97/997.49
  6. Step 6: Final answer
    x = 400.51

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