Finding the Fourth Proportional to 446,548.92, 616,085.10 and 276,721.08
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Solution
The fourth proportional to 446,548.92, 616,085.10 and 276,721.08 is: 381,780.64
Step by Step Solution
- Step 1: Write the proportion equation
446,548.92 : 616,085.10 = 276,721.08 : x - Step 2: Convert to fraction form
446,548.92/616,085.10 = 276,721.08/x - Step 3: Cross multiply
446,548.92x = 616,085.10 × 276,721.08 - Step 4: Simplify right side
446,548.92x = 170,483,734,243.91 - Step 5: Solve for x
x = 170,483,734,243.91/446,548.92 - Step 6: Final answer
x = 381,780.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.