Finding the Fourth Proportional to 569,418.97, 785,767.33 and 314,753.75
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Solution
The fourth proportional to 569,418.97, 785,767.33 and 314,753.75 is: 434,343.12
Step by Step Solution
- Step 1: Write the proportion equation
569,418.97 : 785,767.33 = 314,753.75 : x - Step 2: Convert to fraction form
569,418.97/785,767.33 = 314,753.75/x - Step 3: Cross multiply
569,418.97x = 785,767.33 × 314,753.75 - Step 4: Simplify right side
569,418.97x = 247,323,213,744.99 - Step 5: Solve for x
x = 247,323,213,744.99/569,418.97 - Step 6: Final answer
x = 434,343.12
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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.