Finding the Fourth Proportional to 328,522.74, 453,362.07 and 177,619.74
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Solution
The fourth proportional to 328,522.74, 453,362.07 and 177,619.74 is: 245,115.61
Step by Step Solution
- Step 1: Write the proportion equation
328,522.74 : 453,362.07 = 177,619.74 : x - Step 2: Convert to fraction form
328,522.74/453,362.07 = 177,619.74/x - Step 3: Cross multiply
328,522.74x = 453,362.07 × 177,619.74 - Step 4: Simplify right side
328,522.74x = 80,526,052,999.26 - Step 5: Solve for x
x = 80,526,052,999.26/328,522.74 - Step 6: Final answer
x = 245,115.61
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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.