Finding the Fourth Proportional to 446,454.10, 616,111.28 and 242,508.99
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Solution
The fourth proportional to 446,454.10, 616,111.28 and 242,508.99 is: 334,664.92
Step by Step Solution
- Step 1: Write the proportion equation
446,454.10 : 616,111.28 = 242,508.99 : x - Step 2: Convert to fraction form
446,454.10/616,111.28 = 242,508.99/x - Step 3: Cross multiply
446,454.10x = 616,111.28 × 242,508.99 - Step 4: Simplify right side
446,454.10x = 149,412,524,240.41 - Step 5: Solve for x
x = 149,412,524,240.41/446,454.10 - Step 6: Final answer
x = 334,664.92
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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.