Finding the Fourth Proportional to 336,428.24, 504,556.56 and 99,715.46
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Solution
The fourth proportional to 336,428.24, 504,556.56 and 99,715.46 is: 149,547.75
Step by Step Solution
- Step 1: Write the proportion equation
336,428.24 : 504,556.56 = 99,715.46 : x - Step 2: Convert to fraction form
336,428.24/504,556.56 = 99,715.46/x - Step 3: Cross multiply
336,428.24x = 504,556.56 × 99,715.46 - Step 4: Simplify right side
336,428.24x = 50,312,086,953.63 - Step 5: Solve for x
x = 50,312,086,953.63/336,428.24 - Step 6: Final answer
x = 149,547.75
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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.