Finding the Fourth Proportional to 313,733.63, 470,674.26 and 103,371.56
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Solution
The fourth proportional to 313,733.63, 470,674.26 and 103,371.56 is: 155,081.66
Step by Step Solution
- Step 1: Write the proportion equation
313,733.63 : 470,674.26 = 103,371.56 : x - Step 2: Convert to fraction form
313,733.63/470,674.26 = 103,371.56/x - Step 3: Cross multiply
313,733.63x = 470,674.26 × 103,371.56 - Step 4: Simplify right side
313,733.63x = 48,654,333,297.09 - Step 5: Solve for x
x = 48,654,333,297.09/313,733.63 - Step 6: Final answer
x = 155,081.66
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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.