Finding the Fourth Proportional to 589,292.20, 884,003.10 and 215,396.20
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Solution
The fourth proportional to 589,292.20, 884,003.10 and 215,396.20 is: 323,117.99
Step by Step Solution
- Step 1: Write the proportion equation
589,292.20 : 884,003.10 = 215,396.20 : x - Step 2: Convert to fraction form
589,292.20/884,003.10 = 215,396.20/x - Step 3: Cross multiply
589,292.20x = 884,003.10 × 215,396.20 - Step 4: Simplify right side
589,292.20x = 190,410,908,528.22 - Step 5: Solve for x
x = 190,410,908,528.22/589,292.20 - Step 6: Final answer
x = 323,117.99
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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.