Finding the Fourth Proportional to 524,859.51, 724,329.19 and 295,431.62
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Solution
The fourth proportional to 524,859.51, 724,329.19 and 295,431.62 is: 407,708.61
Step by Step Solution
- Step 1: Write the proportion equation
524,859.51 : 724,329.19 = 295,431.62 : x - Step 2: Convert to fraction form
524,859.51/724,329.19 = 295,431.62/x - Step 3: Cross multiply
524,859.51x = 724,329.19 × 295,431.62 - Step 4: Simplify right side
524,859.51x = 213,989,745,175.18 - Step 5: Solve for x
x = 213,989,745,175.18/524,859.51 - Step 6: Final answer
x = 407,708.61
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1.5x scale
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.