Finding the Fourth Proportional to 516,236.00, 712,425.68 and 353,234.19
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Solution
The fourth proportional to 516,236.00, 712,425.68 and 353,234.19 is: 487,476.87
Step by Step Solution
- Step 1: Write the proportion equation
516,236.00 : 712,425.68 = 353,234.19 : x - Step 2: Convert to fraction form
516,236.00/712,425.68 = 353,234.19/x - Step 3: Cross multiply
516,236.00x = 712,425.68 × 353,234.19 - Step 4: Simplify right side
516,236.00x = 251,653,110,240.05 - Step 5: Solve for x
x = 251,653,110,240.05/516,236.00 - Step 6: Final answer
x = 487,476.87
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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.