Finding the Fourth Proportional to 453,847.80, 680,771.70 and 116,887.80
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Solution
The fourth proportional to 453,847.80, 680,771.70 and 116,887.80 is: 175,331.70
Step by Step Solution
- Step 1: Write the proportion equation
453,847.80 : 680,771.70 = 116,887.80 : x - Step 2: Convert to fraction form
453,847.80/680,771.70 = 116,887.80/x - Step 3: Cross multiply
453,847.80x = 680,771.70 × 116,887.80 - Step 4: Simplify right side
453,847.80x = 79,573,906,315.26 - Step 5: Solve for x
x = 79,573,906,315.26/453,847.80 - Step 6: Final answer
x = 175,331.70
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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.