Finding the Fourth Proportional to 435,644.87, 653,213.60 and 169,093.99
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Solution
The fourth proportional to 435,644.87, 653,213.60 and 169,093.99 is: 253,542.51
Step by Step Solution
- Step 1: Write the proportion equation
435,644.87 : 653,213.60 = 169,093.99 : x - Step 2: Convert to fraction form
435,644.87/653,213.60 = 169,093.99/x - Step 3: Cross multiply
435,644.87x = 653,213.60 × 169,093.99 - Step 4: Simplify right side
435,644.87x = 110,454,493,946.26 - Step 5: Solve for x
x = 110,454,493,946.26/435,644.87 - Step 6: Final answer
x = 253,542.51
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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.