Finding the Fourth Proportional to 386,732.18, 580,113.99 and 184,224.19
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Solution
The fourth proportional to 386,732.18, 580,113.99 and 184,224.19 is: 276,343.77
Step by Step Solution
- Step 1: Write the proportion equation
386,732.18 : 580,113.99 = 184,224.19 : x - Step 2: Convert to fraction form
386,732.18/580,113.99 = 184,224.19/x - Step 3: Cross multiply
386,732.18x = 580,113.99 × 184,224.19 - Step 4: Simplify right side
386,732.18x = 106,871,029,915.42 - Step 5: Solve for x
x = 106,871,029,915.42/386,732.18 - Step 6: Final answer
x = 276,343.77
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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.