Finding the Fourth Proportional to 292,724.75, 403,960.17 and 158,588.75
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Solution
The fourth proportional to 292,724.75, 403,960.17 and 158,588.75 is: 218,852.48
Step by Step Solution
- Step 1: Write the proportion equation
292,724.75 : 403,960.17 = 158,588.75 : x - Step 2: Convert to fraction form
292,724.75/403,960.17 = 158,588.75/x - Step 3: Cross multiply
292,724.75x = 403,960.17 × 158,588.75 - Step 4: Simplify right side
292,724.75x = 64,063,538,410.09 - Step 5: Solve for x
x = 64,063,538,410.09/292,724.75 - Step 6: Final answer
x = 218,852.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.