Finding the Fourth Proportional to 482,412.49, 665,770.12 and 267,621.75
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Solution
The fourth proportional to 482,412.49, 665,770.12 and 267,621.75 is: 369,340.70
Step by Step Solution
- Step 1: Write the proportion equation
482,412.49 : 665,770.12 = 267,621.75 : x - Step 2: Convert to fraction form
482,412.49/665,770.12 = 267,621.75/x - Step 3: Cross multiply
482,412.49x = 665,770.12 × 267,621.75 - Step 4: Simplify right side
482,412.49x = 178,174,563,943.06 - Step 5: Solve for x
x = 178,174,563,943.06/482,412.49 - Step 6: Final answer
x = 369,340.70
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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.