Finding the Fourth Proportional to 416,618.79, 574,969.33 and 235,363.99
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Solution
The fourth proportional to 416,618.79, 574,969.33 and 235,363.99 is: 324,822.30
Step by Step Solution
- Step 1: Write the proportion equation
416,618.79 : 574,969.33 = 235,363.99 : x - Step 2: Convert to fraction form
416,618.79/574,969.33 = 235,363.99/x - Step 3: Cross multiply
416,618.79x = 574,969.33 × 235,363.99 - Step 4: Simplify right side
416,618.79x = 135,327,075,636.43 - Step 5: Solve for x
x = 135,327,075,636.43/416,618.79 - Step 6: Final answer
x = 324,822.30
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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.