Finding the Fourth Proportional to 336,837.68, 504,817.76 and 136,924.55
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Solution
The fourth proportional to 336,837.68, 504,817.76 and 136,924.55 is: 205,208.47
Step by Step Solution
- Step 1: Write the proportion equation
336,837.68 : 504,817.76 = 136,924.55 : x - Step 2: Convert to fraction form
336,837.68/504,817.76 = 136,924.55/x - Step 3: Cross multiply
336,837.68x = 504,817.76 × 136,924.55 - Step 4: Simplify right side
336,837.68x = 69,121,942,438.23 - Step 5: Solve for x
x = 69,121,942,438.23/336,837.68 - Step 6: Final answer
x = 205,208.47
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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.