Finding the Fourth Proportional to 670,817.97, 1,006,233.98 and 197,512.29
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Solution
The fourth proportional to 670,817.97, 1,006,233.98 and 197,512.29 is: 296,270.50
Step by Step Solution
- Step 1: Write the proportion equation
670,817.97 : 1,006,233.98 = 197,512.29 : x - Step 2: Convert to fraction form
670,817.97/1,006,233.98 = 197,512.29/x - Step 3: Cross multiply
670,817.97x = 1,006,233.98 × 197,512.29 - Step 4: Simplify right side
670,817.97x = 198,743,577,665.61 - Step 5: Solve for x
x = 198,743,577,665.61/670,817.97 - Step 6: Final answer
x = 296,270.50
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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.