Finding the Fourth Proportional to 493,465.56, 740,475.13 and 268,841.75
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Solution
The fourth proportional to 493,465.56, 740,475.13 and 268,841.75 is: 403,413.42
Step by Step Solution
- Step 1: Write the proportion equation
493,465.56 : 740,475.13 = 268,841.75 : x - Step 2: Convert to fraction form
493,465.56/740,475.13 = 268,841.75/x - Step 3: Cross multiply
493,465.56x = 740,475.13 × 268,841.75 - Step 4: Simplify right side
493,465.56x = 199,070,629,191.14 - Step 5: Solve for x
x = 199,070,629,191.14/493,465.56 - Step 6: Final answer
x = 403,413.42
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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.