Finding the Fourth Proportional to 220,984, 331,476 and 73,240
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Solution
The fourth proportional to 220,984, 331,476 and 73,240 is: 109,860
Step by Step Solution
- Step 1: Write the proportion equation
220,984 : 331,476 = 73,240 : x - Step 2: Convert to fraction form
220,984/331,476 = 73,240/x - Step 3: Cross multiply
220,984x = 331,476 × 73,240 - Step 4: Simplify right side
220,984x = 24,277,302,240 - Step 5: Solve for x
x = 24,277,302,240/220,984 - Step 6: Final answer
x = 109,860
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.