Finding the Fourth Proportional to 466,857.80, 700,286.70 and 129,897.80
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Solution
The fourth proportional to 466,857.80, 700,286.70 and 129,897.80 is: 194,846.70
Step by Step Solution
- Step 1: Write the proportion equation
466,857.80 : 700,286.70 = 129,897.80 : x - Step 2: Convert to fraction form
466,857.80/700,286.70 = 129,897.80/x - Step 3: Cross multiply
466,857.80x = 700,286.70 × 129,897.80 - Step 4: Simplify right side
466,857.80x = 90,965,701,699.26 - Step 5: Solve for x
x = 90,965,701,699.26/466,857.80 - Step 6: Final answer
x = 194,846.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.