Finding the Fourth Proportional to 565,231.80, 847,847.70 and 512,087.70
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Solution
The fourth proportional to 565,231.80, 847,847.70 and 512,087.70 is: 768,131.55
Step by Step Solution
- Step 1: Write the proportion equation
565,231.80 : 847,847.70 = 512,087.70 : x - Step 2: Convert to fraction form
565,231.80/847,847.70 = 512,087.70/x - Step 3: Cross multiply
565,231.80x = 847,847.70 × 512,087.70 - Step 4: Simplify right side
565,231.80x = 434,172,378,643.29 - Step 5: Solve for x
x = 434,172,378,643.29/565,231.80 - Step 6: Final answer
x = 768,131.55
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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.