Finding the Fourth Proportional to 625,261.16, 862,859.22 and 338,789
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Solution
The fourth proportional to 625,261.16, 862,859.22 and 338,789 is: 467,528.18
Step by Step Solution
- Step 1: Write the proportion equation
625,261.16 : 862,859.22 = 338,789 : x - Step 2: Convert to fraction form
625,261.16/862,859.22 = 338,789/x - Step 3: Cross multiply
625,261.16x = 862,859.22 × 338,789 - Step 4: Simplify right side
625,261.16x = 292,327,212,284.58 - Step 5: Solve for x
x = 292,327,212,284.58/625,261.16 - Step 6: Final answer
x = 467,528.18
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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.