Finding the Fourth Proportional to 663,272.26, 994,908.39 and 164,636.26
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Solution
The fourth proportional to 663,272.26, 994,908.39 and 164,636.26 is: 246,954.39
Step by Step Solution
- Step 1: Write the proportion equation
663,272.26 : 994,908.39 = 164,636.26 : x - Step 2: Convert to fraction form
663,272.26/994,908.39 = 164,636.26/x - Step 3: Cross multiply
663,272.26x = 994,908.39 × 164,636.26 - Step 4: Simplify right side
663,272.26x = 163,797,996,372.22 - Step 5: Solve for x
x = 163,797,996,372.22/663,272.26 - Step 6: Final answer
x = 246,954.39
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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.