Finding the Fourth Proportional to 866,114.10, 1,299,171.15 and 235,106.10
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Solution
The fourth proportional to 866,114.10, 1,299,171.15 and 235,106.10 is: 352,659.15
Step by Step Solution
- Step 1: Write the proportion equation
866,114.10 : 1,299,171.15 = 235,106.10 : x - Step 2: Convert to fraction form
866,114.10/1,299,171.15 = 235,106.10/x - Step 3: Cross multiply
866,114.10x = 1,299,171.15 × 235,106.10 - Step 4: Simplify right side
866,114.10x = 305,443,062,309.02 - Step 5: Solve for x
x = 305,443,062,309.02/866,114.10 - Step 6: Final answer
x = 352,659.15
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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.