Finding the Fourth Proportional to 603,467.44, 832,781.58 and 331,529.44
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Solution
The fourth proportional to 603,467.44, 832,781.58 and 331,529.44 is: 457,508.71
Step by Step Solution
- Step 1: Write the proportion equation
603,467.44 : 832,781.58 = 331,529.44 : x - Step 2: Convert to fraction form
603,467.44/832,781.58 = 331,529.44/x - Step 3: Cross multiply
603,467.44x = 832,781.58 × 331,529.44 - Step 4: Simplify right side
603,467.44x = 276,091,610,859.72 - Step 5: Solve for x
x = 276,091,610,859.72/603,467.44 - Step 6: Final answer
x = 457,508.71
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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.