Finding the Fourth Proportional to 560,414.70, 840,622.05 and 186,437.70
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Solution
The fourth proportional to 560,414.70, 840,622.05 and 186,437.70 is: 279,656.55
Step by Step Solution
- Step 1: Write the proportion equation
560,414.70 : 840,622.05 = 186,437.70 : x - Step 2: Convert to fraction form
560,414.70/840,622.05 = 186,437.70/x - Step 3: Cross multiply
560,414.70x = 840,622.05 × 186,437.70 - Step 4: Simplify right side
560,414.70x = 156,723,641,571.29 - Step 5: Solve for x
x = 156,723,641,571.29/560,414.70 - Step 6: Final answer
x = 279,656.55
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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.