Finding the Fourth Proportional to 415,666.22, 573,625.77 and 243,542.99
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Solution
The fourth proportional to 415,666.22, 573,625.77 and 243,542.99 is: 336,093.07
Step by Step Solution
- Step 1: Write the proportion equation
415,666.22 : 573,625.77 = 243,542.99 : x - Step 2: Convert to fraction form
415,666.22/573,625.77 = 243,542.99/x - Step 3: Cross multiply
415,666.22x = 573,625.77 × 243,542.99 - Step 4: Simplify right side
415,666.22x = 139,702,535,992.06 - Step 5: Solve for x
x = 139,702,535,992.06/415,666.22 - Step 6: Final answer
x = 336,093.07
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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.