Finding the Fourth Proportional to 468,653.98, 646,741.19 and 253,793.99
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Solution
The fourth proportional to 468,653.98, 646,741.19 and 253,793.99 is: 350,234.99
Step by Step Solution
- Step 1: Write the proportion equation
468,653.98 : 646,741.19 = 253,793.99 : x - Step 2: Convert to fraction form
468,653.98/646,741.19 = 253,793.99/x - Step 3: Cross multiply
468,653.98x = 646,741.19 × 253,793.99 - Step 4: Simplify right side
468,653.98x = 164,139,022,604.77 - Step 5: Solve for x
x = 164,139,022,604.77/468,653.98 - Step 6: Final answer
x = 350,234.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.