Finding the Fourth Proportional to 563,639.76, 845,213.88 and 213,186
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Solution
The fourth proportional to 563,639.76, 845,213.88 and 213,186 is: 319,686.05
Step by Step Solution
- Step 1: Write the proportion equation
563,639.76 : 845,213.88 = 213,186 : x - Step 2: Convert to fraction form
563,639.76/845,213.88 = 213,186/x - Step 3: Cross multiply
563,639.76x = 845,213.88 × 213,186 - Step 4: Simplify right side
563,639.76x = 180,187,766,221.68 - Step 5: Solve for x
x = 180,187,766,221.68/563,639.76 - Step 6: Final answer
x = 319,686.05
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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.