Finding the Fourth Proportional to 374,929.14, 517,402.20 and 205,163.28
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Solution
The fourth proportional to 374,929.14, 517,402.20 and 205,163.28 is: 283,125.32
Step by Step Solution
- Step 1: Write the proportion equation
374,929.14 : 517,402.20 = 205,163.28 : x - Step 2: Convert to fraction form
374,929.14/517,402.20 = 205,163.28/x - Step 3: Cross multiply
374,929.14x = 517,402.20 × 205,163.28 - Step 4: Simplify right side
374,929.14x = 106,151,932,431.22 - Step 5: Solve for x
x = 106,151,932,431.22/374,929.14 - Step 6: Final answer
x = 283,125.32
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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.