Finding the Fourth Proportional to 541,213.44, 811,803.38 and 257,108.44
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Solution
The fourth proportional to 541,213.44, 811,803.38 and 257,108.44 is: 385,654.69
Step by Step Solution
- Step 1: Write the proportion equation
541,213.44 : 811,803.38 = 257,108.44 : x - Step 2: Convert to fraction form
541,213.44/811,803.38 = 257,108.44/x - Step 3: Cross multiply
541,213.44x = 811,803.38 × 257,108.44 - Step 4: Simplify right side
541,213.44x = 208,721,500,618.53 - Step 5: Solve for x
x = 208,721,500,618.53/541,213.44 - Step 6: Final answer
x = 385,654.69
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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.