Finding the Fourth Proportional to 701.46, 1,052.19 and 268.38
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Solution
The fourth proportional to 701.46, 1,052.19 and 268.38 is: 402.57
Step by Step Solution
- Step 1: Write the proportion equation
701.46 : 1,052.19 = 268.38 : x - Step 2: Convert to fraction form
701.46/1,052.19 = 268.38/x - Step 3: Cross multiply
701.46x = 1,052.19 × 268.38 - Step 4: Simplify right side
701.46x = 282,386.75 - Step 5: Solve for x
x = 282,386.75/701.46 - Step 6: Final answer
x = 402.57
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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.