Finding the Fourth Proportional to 366,416.19, 548,812.26 and 281,551.68
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Solution
The fourth proportional to 366,416.19, 548,812.26 and 281,551.68 is: 421,703.57
Step by Step Solution
- Step 1: Write the proportion equation
366,416.19 : 548,812.26 = 281,551.68 : x - Step 2: Convert to fraction form
366,416.19/548,812.26 = 281,551.68/x - Step 3: Cross multiply
366,416.19x = 548,812.26 × 281,551.68 - Step 4: Simplify right side
366,416.19x = 154,519,013,807.60 - Step 5: Solve for x
x = 154,519,013,807.60/366,416.19 - Step 6: Final answer
x = 421,703.57
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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.