Finding the Fourth Proportional to 417,096.21, 575,036.11 and 331,339.84
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Solution
The fourth proportional to 417,096.21, 575,036.11 and 331,339.84 is: 456,806.77
Step by Step Solution
- Step 1: Write the proportion equation
417,096.21 : 575,036.11 = 331,339.84 : x - Step 2: Convert to fraction form
417,096.21/575,036.11 = 331,339.84/x - Step 3: Cross multiply
417,096.21x = 575,036.11 × 331,339.84 - Step 4: Simplify right side
417,096.21x = 190,532,373,275.50 - Step 5: Solve for x
x = 190,532,373,275.50/417,096.21 - Step 6: Final answer
x = 456,806.77
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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.