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Finding the Fourth Proportional to 1,232.48, 1,850.16 and 656.48

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Solution

The fourth proportional to 1,232.48, 1,850.16 and 656.48 is: 985.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.48 : 1,850.16 = 656.48 : x
  2. Step 2: Convert to fraction form
    1,232.48/1,850.16 = 656.48/x
  3. Step 3: Cross multiply
    1,232.48x = 1,850.16 × 656.48
  4. Step 4: Simplify right side
    1,232.48x = 1,214,593.04
  5. Step 5: Solve for x
    x = 1,214,593.04/1,232.48
  6. Step 6: Final answer
    x = 985.49

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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.