Finding the Fourth Proportional to 493,984.92, 681,699.84 and 267,630.42
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Solution
The fourth proportional to 493,984.92, 681,699.84 and 267,630.42 is: 369,330.33
Step by Step Solution
- Step 1: Write the proportion equation
493,984.92 : 681,699.84 = 267,630.42 : x - Step 2: Convert to fraction form
493,984.92/681,699.84 = 267,630.42/x - Step 3: Cross multiply
493,984.92x = 681,699.84 × 267,630.42 - Step 4: Simplify right side
493,984.92x = 182,443,614,493.13 - Step 5: Solve for x
x = 182,443,614,493.13/493,984.92 - Step 6: Final answer
x = 369,330.33
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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.