Finding the Fourth Proportional to 292,753.08, 403,843.42 and 178,066.80
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Solution
The fourth proportional to 292,753.08, 403,843.42 and 178,066.80 is: 245,637.40
Step by Step Solution
- Step 1: Write the proportion equation
292,753.08 : 403,843.42 = 178,066.80 : x - Step 2: Convert to fraction form
292,753.08/403,843.42 = 178,066.80/x - Step 3: Cross multiply
292,753.08x = 403,843.42 × 178,066.80 - Step 4: Simplify right side
292,753.08x = 71,911,105,500.46 - Step 5: Solve for x
x = 71,911,105,500.46/292,753.08 - Step 6: Final answer
x = 245,637.40
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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.