Finding the Fourth Proportional to 317,647.36, 476,369.99 and 104,366.11
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Solution
The fourth proportional to 317,647.36, 476,369.99 and 104,366.11 is: 156,515.96
Step by Step Solution
- Step 1: Write the proportion equation
317,647.36 : 476,369.99 = 104,366.11 : x - Step 2: Convert to fraction form
317,647.36/476,369.99 = 104,366.11/x - Step 3: Cross multiply
317,647.36x = 476,369.99 × 104,366.11 - Step 4: Simplify right side
317,647.36x = 49,716,881,847.03 - Step 5: Solve for x
x = 49,716,881,847.03/317,647.36 - Step 6: Final answer
x = 156,515.96
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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.