Finding the Fourth Proportional to 651.04, 976.39 and 200.07
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Solution
The fourth proportional to 651.04, 976.39 and 200.07 is: 300.05
Step by Step Solution
- Step 1: Write the proportion equation
651.04 : 976.39 = 200.07 : x - Step 2: Convert to fraction form
651.04/976.39 = 200.07/x - Step 3: Cross multiply
651.04x = 976.39 × 200.07 - Step 4: Simplify right side
651.04x = 195,345.85 - Step 5: Solve for x
x = 195,345.85/651.04 - Step 6: Final answer
x = 300.05
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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.