Finding the Fourth Proportional to 505,920.38, 698,197.14 and 291,093.19
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Solution
The fourth proportional to 505,920.38, 698,197.14 and 291,093.19 is: 401,724.15
Step by Step Solution
- Step 1: Write the proportion equation
505,920.38 : 698,197.14 = 291,093.19 : x - Step 2: Convert to fraction form
505,920.38/698,197.14 = 291,093.19/x - Step 3: Cross multiply
505,920.38x = 698,197.14 × 291,093.19 - Step 4: Simplify right side
505,920.38x = 203,240,430,985.98 - Step 5: Solve for x
x = 203,240,430,985.98/505,920.38 - Step 6: Final answer
x = 401,724.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.