Finding the Fourth Proportional to 292,553.48, 438,845.26 and 82,207.82
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Solution
The fourth proportional to 292,553.48, 438,845.26 and 82,207.82 is: 123,315.96
Step by Step Solution
- Step 1: Write the proportion equation
292,553.48 : 438,845.26 = 82,207.82 : x - Step 2: Convert to fraction form
292,553.48/438,845.26 = 82,207.82/x - Step 3: Cross multiply
292,553.48x = 438,845.26 × 82,207.82 - Step 4: Simplify right side
292,553.48x = 36,076,512,141.93 - Step 5: Solve for x
x = 36,076,512,141.93/292,553.48 - Step 6: Final answer
x = 123,315.96
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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.