Finding the Fourth Proportional to 1,544.10, 2,316 and 433.62
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Solution
The fourth proportional to 1,544.10, 2,316 and 433.62 is: 650.39
Step by Step Solution
- Step 1: Write the proportion equation
1,544.10 : 2,316 = 433.62 : x - Step 2: Convert to fraction form
1,544.10/2,316 = 433.62/x - Step 3: Cross multiply
1,544.10x = 2,316 × 433.62 - Step 4: Simplify right side
1,544.10x = 1,004,263.92 - Step 5: Solve for x
x = 1,004,263.92/1,544.10 - Step 6: Final answer
x = 650.39
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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.