Finding the Fourth Proportional to 533,902.20, 800,853.30 and 483,163.80
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Solution
The fourth proportional to 533,902.20, 800,853.30 and 483,163.80 is: 724,745.70
Step by Step Solution
- Step 1: Write the proportion equation
533,902.20 : 800,853.30 = 483,163.80 : x - Step 2: Convert to fraction form
533,902.20/800,853.30 = 483,163.80/x - Step 3: Cross multiply
533,902.20x = 800,853.30 × 483,163.80 - Step 4: Simplify right side
533,902.20x = 386,943,323,670.54 - Step 5: Solve for x
x = 386,943,323,670.54/533,902.20 - Step 6: Final answer
x = 724,745.70
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1.5x scale
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.