Finding the Fourth Proportional to 485,161.71, 727,882.88 and 200,799.69
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Solution
The fourth proportional to 485,161.71, 727,882.88 and 200,799.69 is: 301,257.61
Step by Step Solution
- Step 1: Write the proportion equation
485,161.71 : 727,882.88 = 200,799.69 : x - Step 2: Convert to fraction form
485,161.71/727,882.88 = 200,799.69/x - Step 3: Cross multiply
485,161.71x = 727,882.88 × 200,799.69 - Step 4: Simplify right side
485,161.71x = 146,158,655,656.31 - Step 5: Solve for x
x = 146,158,655,656.31/485,161.71 - Step 6: Final answer
x = 301,257.61
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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.