Finding the Fourth Proportional to 416,748.24, 624,903.66 and 216,579.42
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Solution
The fourth proportional to 416,748.24, 624,903.66 and 216,579.42 is: 324,755.47
Step by Step Solution
- Step 1: Write the proportion equation
416,748.24 : 624,903.66 = 216,579.42 : x - Step 2: Convert to fraction form
416,748.24/624,903.66 = 216,579.42/x - Step 3: Cross multiply
416,748.24x = 624,903.66 × 216,579.42 - Step 4: Simplify right side
416,748.24x = 135,341,272,238.68 - Step 5: Solve for x
x = 135,341,272,238.68/416,748.24 - Step 6: Final answer
x = 324,755.47
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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.