Finding the Fourth Proportional to 362,599.47, 543,899.34 and 137,907.99
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Solution
The fourth proportional to 362,599.47, 543,899.34 and 137,907.99 is: 206,862.04
Step by Step Solution
- Step 1: Write the proportion equation
362,599.47 : 543,899.34 = 137,907.99 : x - Step 2: Convert to fraction form
362,599.47/543,899.34 = 137,907.99/x - Step 3: Cross multiply
362,599.47x = 543,899.34 × 137,907.99 - Step 4: Simplify right side
362,599.47x = 75,008,064,741.73 - Step 5: Solve for x
x = 75,008,064,741.73/362,599.47 - Step 6: Final answer
x = 206,862.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.