Finding the Fourth Proportional to 522,329.11, 720,844.19 and 292,959.97
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Solution
The fourth proportional to 522,329.11, 720,844.19 and 292,959.97 is: 404,301.59
Step by Step Solution
- Step 1: Write the proportion equation
522,329.11 : 720,844.19 = 292,959.97 : x - Step 2: Convert to fraction form
522,329.11/720,844.19 = 292,959.97/x - Step 3: Cross multiply
522,329.11x = 720,844.19 × 292,959.97 - Step 4: Simplify right side
522,329.11x = 211,178,487,208.05 - Step 5: Solve for x
x = 211,178,487,208.05/522,329.11 - Step 6: Final answer
x = 404,301.59
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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.