Finding the Fourth Proportional to 481.83, 722.13 and 416.83
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Solution
The fourth proportional to 481.83, 722.13 and 416.83 is: 624.71
Step by Step Solution
- Step 1: Write the proportion equation
481.83 : 722.13 = 416.83 : x - Step 2: Convert to fraction form
481.83/722.13 = 416.83/x - Step 3: Cross multiply
481.83x = 722.13 × 416.83 - Step 4: Simplify right side
481.83x = 301,005.78 - Step 5: Solve for x
x = 301,005.78/481.83 - Step 6: Final answer
x = 624.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.