Finding the Fourth Proportional to 531,944.64, 733,983.36 and 317,104.68
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Solution
The fourth proportional to 531,944.64, 733,983.36 and 317,104.68 is: 437,544.70
Step by Step Solution
- Step 1: Write the proportion equation
531,944.64 : 733,983.36 = 317,104.68 : x - Step 2: Convert to fraction form
531,944.64/733,983.36 = 317,104.68/x - Step 3: Cross multiply
531,944.64x = 733,983.36 × 317,104.68 - Step 4: Simplify right side
531,944.64x = 232,749,558,498.13 - Step 5: Solve for x
x = 232,749,558,498.13/531,944.64 - Step 6: Final answer
x = 437,544.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.