Finding the Fourth Proportional to 588.82, 811.92 and 476.58
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Solution
The fourth proportional to 588.82, 811.92 and 476.58 is: 657.16
Step by Step Solution
- Step 1: Write the proportion equation
588.82 : 811.92 = 476.58 : x - Step 2: Convert to fraction form
588.82/811.92 = 476.58/x - Step 3: Cross multiply
588.82x = 811.92 × 476.58 - Step 4: Simplify right side
588.82x = 386,949.67 - Step 5: Solve for x
x = 386,949.67/588.82 - Step 6: Final answer
x = 657.16
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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.