Finding the Fourth Proportional to 496,236.12, 684,961.86 and 292,273.26
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Solution
The fourth proportional to 496,236.12, 684,961.86 and 292,273.26 is: 403,428.99
Step by Step Solution
- Step 1: Write the proportion equation
496,236.12 : 684,961.86 = 292,273.26 : x - Step 2: Convert to fraction form
496,236.12/684,961.86 = 292,273.26/x - Step 3: Cross multiply
496,236.12x = 684,961.86 × 292,273.26 - Step 4: Simplify right side
496,236.12x = 200,196,035,797.86 - Step 5: Solve for x
x = 200,196,035,797.86/496,236.12 - Step 6: Final answer
x = 403,428.99
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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.