Finding the Fourth Proportional to 272,173,750.20, 408,260,625.30 and 272,173,750.20
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Solution
The fourth proportional to 272,173,750.20, 408,260,625.30 and 272,173,750.20 is: 408,260,625.30
Step by Step Solution
- Step 1: Write the proportion equation
272,173,750.20 : 408,260,625.30 = 272,173,750.20 : x - Step 2: Convert to fraction form
272,173,750.20/408,260,625.30 = 272,173,750.20/x - Step 3: Cross multiply
272,173,750.20x = 408,260,625.30 × 272,173,750.20 - Step 4: Simplify right side
272,173,750.20x = 111,117,825,446,898,000 - Step 5: Solve for x
x = 111,117,825,446,898,000/272,173,750.20 - Step 6: Final answer
x = 408,260,625.30
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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.