Finding the Fourth Proportional to 481,049.08, 721,591.98 and 214,811.80
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Solution
The fourth proportional to 481,049.08, 721,591.98 and 214,811.80 is: 322,225.90
Step by Step Solution
- Step 1: Write the proportion equation
481,049.08 : 721,591.98 = 214,811.80 : x - Step 2: Convert to fraction form
481,049.08/721,591.98 = 214,811.80/x - Step 3: Cross multiply
481,049.08x = 721,591.98 × 214,811.80 - Step 4: Simplify right side
481,049.08x = 155,006,472,089.36 - Step 5: Solve for x
x = 155,006,472,089.36/481,049.08 - Step 6: Final answer
x = 322,225.90
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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.