Finding the Fourth Proportional to 701,983.50, 1,053,106.50 and 281,292.18
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Solution
The fourth proportional to 701,983.50, 1,053,106.50 and 281,292.18 is: 421,990.86
Step by Step Solution
- Step 1: Write the proportion equation
701,983.50 : 1,053,106.50 = 281,292.18 : x - Step 2: Convert to fraction form
701,983.50/1,053,106.50 = 281,292.18/x - Step 3: Cross multiply
701,983.50x = 1,053,106.50 × 281,292.18 - Step 4: Simplify right side
701,983.50x = 296,230,623,157.17 - Step 5: Solve for x
x = 296,230,623,157.17/701,983.50 - Step 6: Final answer
x = 421,990.86
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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.