Finding the Fourth Proportional to 378,808.01, 568,315.81 and 189,039.29
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Solution
The fourth proportional to 378,808.01, 568,315.81 and 189,039.29 is: 283,610.73
Step by Step Solution
- Step 1: Write the proportion equation
378,808.01 : 568,315.81 = 189,039.29 : x - Step 2: Convert to fraction form
378,808.01/568,315.81 = 189,039.29/x - Step 3: Cross multiply
378,808.01x = 568,315.81 × 189,039.29 - Step 4: Simplify right side
378,808.01x = 107,434,014,612.90 - Step 5: Solve for x
x = 107,434,014,612.90/378,808.01 - Step 6: Final answer
x = 283,610.73
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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.