Finding the Fourth Proportional to 362,994.15, 500,943.38 and 201,855.99
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Solution
The fourth proportional to 362,994.15, 500,943.38 and 201,855.99 is: 278,567.63
Step by Step Solution
- Step 1: Write the proportion equation
362,994.15 : 500,943.38 = 201,855.99 : x - Step 2: Convert to fraction form
362,994.15/500,943.38 = 201,855.99/x - Step 3: Cross multiply
362,994.15x = 500,943.38 × 201,855.99 - Step 4: Simplify right side
362,994.15x = 101,118,420,894.57 - Step 5: Solve for x
x = 101,118,420,894.57/362,994.15 - Step 6: Final answer
x = 278,567.63
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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.