Finding the Fourth Proportional to 460,131.64, 690,398.37 and 160,826.99
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Solution
The fourth proportional to 460,131.64, 690,398.37 and 160,826.99 is: 241,310.70
Step by Step Solution
- Step 1: Write the proportion equation
460,131.64 : 690,398.37 = 160,826.99 : x - Step 2: Convert to fraction form
460,131.64/690,398.37 = 160,826.99/x - Step 3: Cross multiply
460,131.64x = 690,398.37 × 160,826.99 - Step 4: Simplify right side
460,131.64x = 111,034,688,296.01 - Step 5: Solve for x
x = 111,034,688,296.01/460,131.64 - Step 6: Final answer
x = 241,310.70
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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.