Finding the Fourth Proportional to 641,581.14, 885,368.16 and 351,192.36
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Solution
The fourth proportional to 641,581.14, 885,368.16 and 351,192.36 is: 484,637.90
Step by Step Solution
- Step 1: Write the proportion equation
641,581.14 : 885,368.16 = 351,192.36 : x - Step 2: Convert to fraction form
641,581.14/885,368.16 = 351,192.36/x - Step 3: Cross multiply
641,581.14x = 885,368.16 × 351,192.36 - Step 4: Simplify right side
641,581.14x = 310,934,533,579.26 - Step 5: Solve for x
x = 310,934,533,579.26/641,581.14 - Step 6: Final answer
x = 484,637.90
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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.