Finding the Fourth Proportional to 332,611.20, 498,369.60 and 192,124.80
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Solution
The fourth proportional to 332,611.20, 498,369.60 and 192,124.80 is: 287,871.12
Step by Step Solution
- Step 1: Write the proportion equation
332,611.20 : 498,369.60 = 192,124.80 : x - Step 2: Convert to fraction form
332,611.20/498,369.60 = 192,124.80/x - Step 3: Cross multiply
332,611.20x = 498,369.60 × 192,124.80 - Step 4: Simplify right side
332,611.20x = 95,749,159,726.08 - Step 5: Solve for x
x = 95,749,159,726.08/332,611.20 - Step 6: Final answer
x = 287,871.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.