Finding the Fourth Proportional to 296,716.70, 409,468.52 and 160,754.09
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Solution
The fourth proportional to 296,716.70, 409,468.52 and 160,754.09 is: 221,840.35
Step by Step Solution
- Step 1: Write the proportion equation
296,716.70 : 409,468.52 = 160,754.09 : x - Step 2: Convert to fraction form
296,716.70/409,468.52 = 160,754.09/x - Step 3: Cross multiply
296,716.70x = 409,468.52 × 160,754.09 - Step 4: Simplify right side
296,716.70x = 65,823,737,670.79 - Step 5: Solve for x
x = 65,823,737,670.79/296,716.70 - Step 6: Final answer
x = 221,840.35
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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.