Finding the Fourth Proportional to 600,144, 900,224.64 and 156,912
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Solution
The fourth proportional to 600,144, 900,224.64 and 156,912 is: 235,370.26
Step by Step Solution
- Step 1: Write the proportion equation
600,144 : 900,224.64 = 156,912 : x - Step 2: Convert to fraction form
600,144/900,224.64 = 156,912/x - Step 3: Cross multiply
600,144x = 900,224.64 × 156,912 - Step 4: Simplify right side
600,144x = 141,256,048,711.68 - Step 5: Solve for x
x = 141,256,048,711.68/600,144 - Step 6: Final answer
x = 235,370.26
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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.