Finding the Fourth Proportional to 446,305.68, 669,458.16 and 113,881.68
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Solution
The fourth proportional to 446,305.68, 669,458.16 and 113,881.68 is: 170,822.43
Step by Step Solution
- Step 1: Write the proportion equation
446,305.68 : 669,458.16 = 113,881.68 : x - Step 2: Convert to fraction form
446,305.68/669,458.16 = 113,881.68/x - Step 3: Cross multiply
446,305.68x = 669,458.16 × 113,881.68 - Step 4: Simplify right side
446,305.68x = 76,239,019,950.51 - Step 5: Solve for x
x = 76,239,019,950.51/446,305.68 - Step 6: Final answer
x = 170,822.43
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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.