Finding the Fourth Proportional to 542,959.70, 810,030.87 and 513,566.42
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Solution
The fourth proportional to 542,959.70, 810,030.87 and 513,566.42 is: 766,179.61
Step by Step Solution
- Step 1: Write the proportion equation
542,959.70 : 810,030.87 = 513,566.42 : x - Step 2: Convert to fraction form
542,959.70/810,030.87 = 513,566.42/x - Step 3: Cross multiply
542,959.70x = 810,030.87 × 513,566.42 - Step 4: Simplify right side
542,959.70x = 416,004,649,945.23 - Step 5: Solve for x
x = 416,004,649,945.23/542,959.70 - Step 6: Final answer
x = 766,179.61
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.