Finding the Fourth Proportional to 317,709.26, 476,462.94 and 104,427.96
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Solution
The fourth proportional to 317,709.26, 476,462.94 and 104,427.96 is: 156,608.75
Step by Step Solution
- Step 1: Write the proportion equation
317,709.26 : 476,462.94 = 104,427.96 : x - Step 2: Convert to fraction form
317,709.26/476,462.94 = 104,427.96/x - Step 3: Cross multiply
317,709.26x = 476,462.94 × 104,427.96 - Step 4: Simplify right side
317,709.26x = 49,756,051,248.87 - Step 5: Solve for x
x = 49,756,051,248.87/317,709.26 - Step 6: Final answer
x = 156,608.75
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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.