Finding the Fourth Proportional to 1,034,173.70, 1,551,260.55 and 276,013.70
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Solution
The fourth proportional to 1,034,173.70, 1,551,260.55 and 276,013.70 is: 414,020.55
Step by Step Solution
- Step 1: Write the proportion equation
1,034,173.70 : 1,551,260.55 = 276,013.70 : x - Step 2: Convert to fraction form
1,034,173.70/1,551,260.55 = 276,013.70/x - Step 3: Cross multiply
1,034,173.70x = 1,551,260.55 × 276,013.70 - Step 4: Simplify right side
1,034,173.70x = 428,169,164,069.54 - Step 5: Solve for x
x = 428,169,164,069.54/1,034,173.70 - Step 6: Final answer
x = 414,020.55
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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.