Finding the Fourth Proportional to 298,737.60, 412,252.68 and 162,772.67
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Solution
The fourth proportional to 298,737.60, 412,252.68 and 162,772.67 is: 224,623.45
Step by Step Solution
- Step 1: Write the proportion equation
298,737.60 : 412,252.68 = 162,772.67 : x - Step 2: Convert to fraction form
298,737.60/412,252.68 = 162,772.67/x - Step 3: Cross multiply
298,737.60x = 412,252.68 × 162,772.67 - Step 4: Simplify right side
298,737.60x = 67,103,469,858.49 - Step 5: Solve for x
x = 67,103,469,858.49/298,737.60 - Step 6: Final answer
x = 224,623.45
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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.