Finding the Fourth Proportional to 976.98, 1,465.49 and 352.24
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Solution
The fourth proportional to 976.98, 1,465.49 and 352.24 is: 528.37
Step by Step Solution
- Step 1: Write the proportion equation
976.98 : 1,465.49 = 352.24 : x - Step 2: Convert to fraction form
976.98/1,465.49 = 352.24/x - Step 3: Cross multiply
976.98x = 1,465.49 × 352.24 - Step 4: Simplify right side
976.98x = 516,204.20 - Step 5: Solve for x
x = 516,204.20/976.98 - Step 6: Final answer
x = 528.37
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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.