Finding the Fourth Proportional to 587,809.12, 811,185.96 and 333,154.84
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Solution
The fourth proportional to 587,809.12, 811,185.96 and 333,154.84 is: 459,758.99
Step by Step Solution
- Step 1: Write the proportion equation
587,809.12 : 811,185.96 = 333,154.84 : x - Step 2: Convert to fraction form
587,809.12/811,185.96 = 333,154.84/x - Step 3: Cross multiply
587,809.12x = 811,185.96 × 333,154.84 - Step 4: Simplify right side
587,809.12x = 270,250,528,714.05 - Step 5: Solve for x
x = 270,250,528,714.05/587,809.12 - Step 6: Final answer
x = 459,758.99
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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.