Finding the Fourth Proportional to 427,876.88, 590,532.27 and 246,553.52
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Solution
The fourth proportional to 427,876.88, 590,532.27 and 246,553.52 is: 340,279.68
Step by Step Solution
- Step 1: Write the proportion equation
427,876.88 : 590,532.27 = 246,553.52 : x - Step 2: Convert to fraction form
427,876.88/590,532.27 = 246,553.52/x - Step 3: Cross multiply
427,876.88x = 590,532.27 × 246,553.52 - Step 4: Simplify right side
427,876.88x = 145,597,809,842.09 - Step 5: Solve for x
x = 145,597,809,842.09/427,876.88 - Step 6: Final answer
x = 340,279.68
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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.