Finding the Fourth Proportional to 296,234.28, 408,802.19 and 160,267.79
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Solution
The fourth proportional to 296,234.28, 408,802.19 and 160,267.79 is: 221,168.94
Step by Step Solution
- Step 1: Write the proportion equation
296,234.28 : 408,802.19 = 160,267.79 : x - Step 2: Convert to fraction form
296,234.28/408,802.19 = 160,267.79/x - Step 3: Cross multiply
296,234.28x = 408,802.19 × 160,267.79 - Step 4: Simplify right side
296,234.28x = 65,517,820,693.11 - Step 5: Solve for x
x = 65,517,820,693.11/296,234.28 - Step 6: Final answer
x = 221,168.94
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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.