Finding the Fourth Proportional to 231,845.04, 320,650.52 and 207,963
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Solution
The fourth proportional to 231,845.04, 320,650.52 and 207,963 is: 287,620.74
Step by Step Solution
- Step 1: Write the proportion equation
231,845.04 : 320,650.52 = 207,963 : x - Step 2: Convert to fraction form
231,845.04/320,650.52 = 207,963/x - Step 3: Cross multiply
231,845.04x = 320,650.52 × 207,963 - Step 4: Simplify right side
231,845.04x = 66,683,443,050.95 - Step 5: Solve for x
x = 66,683,443,050.95/231,845.04 - Step 6: Final answer
x = 287,620.74
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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.