Finding the Fourth Proportional to 522,702.97, 721,583.49 and 350,557.95
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Solution
The fourth proportional to 522,702.97, 721,583.49 and 350,557.95 is: 483,939.91
Step by Step Solution
- Step 1: Write the proportion equation
522,702.97 : 721,583.49 = 350,557.95 : x - Step 2: Convert to fraction form
522,702.97/721,583.49 = 350,557.95/x - Step 3: Cross multiply
522,702.97x = 721,583.49 × 350,557.95 - Step 4: Simplify right side
522,702.97x = 252,956,829,008.25 - Step 5: Solve for x
x = 252,956,829,008.25/522,702.97 - Step 6: Final answer
x = 483,939.91
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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.