Finding the Fourth Proportional to 452,817.31, 624,891.26 and 248,871.70
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Solution
The fourth proportional to 452,817.31, 624,891.26 and 248,871.70 is: 343,444.80
Step by Step Solution
- Step 1: Write the proportion equation
452,817.31 : 624,891.26 = 248,871.70 : x - Step 2: Convert to fraction form
452,817.31/624,891.26 = 248,871.70/x - Step 3: Cross multiply
452,817.31x = 624,891.26 × 248,871.70 - Step 4: Simplify right side
452,817.31x = 155,517,750,191.34 - Step 5: Solve for x
x = 155,517,750,191.34/452,817.31 - Step 6: Final answer
x = 343,444.80
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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.