Finding the Fourth Proportional to 422,064, 633,096 and 126,576
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Solution
The fourth proportional to 422,064, 633,096 and 126,576 is: 189,864
Step by Step Solution
- Step 1: Write the proportion equation
422,064 : 633,096 = 126,576 : x - Step 2: Convert to fraction form
422,064/633,096 = 126,576/x - Step 3: Cross multiply
422,064x = 633,096 × 126,576 - Step 4: Simplify right side
422,064x = 80,134,759,296 - Step 5: Solve for x
x = 80,134,759,296/422,064 - Step 6: Final answer
x = 189,864
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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.