Finding the Fourth Proportional to 573,134.20, 859,701.30 and 307,413.70
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Solution
The fourth proportional to 573,134.20, 859,701.30 and 307,413.70 is: 461,120.55
Step by Step Solution
- Step 1: Write the proportion equation
573,134.20 : 859,701.30 = 307,413.70 : x - Step 2: Convert to fraction form
573,134.20/859,701.30 = 307,413.70/x - Step 3: Cross multiply
573,134.20x = 859,701.30 × 307,413.70 - Step 4: Simplify right side
573,134.20x = 264,283,957,527.81 - Step 5: Solve for x
x = 264,283,957,527.81/573,134.20 - Step 6: Final answer
x = 461,120.55
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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.