Finding the Fourth Proportional to 466,713.40, 700,415.70 and 186,431.80
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Solution
The fourth proportional to 466,713.40, 700,415.70 and 186,431.80 is: 279,785.75
Step by Step Solution
- Step 1: Write the proportion equation
466,713.40 : 700,415.70 = 186,431.80 : x - Step 2: Convert to fraction form
466,713.40/700,415.70 = 186,431.80/x - Step 3: Cross multiply
466,713.40x = 700,415.70 × 186,431.80 - Step 4: Simplify right side
466,713.40x = 130,579,759,699.26 - Step 5: Solve for x
x = 130,579,759,699.26/466,713.40 - Step 6: Final answer
x = 279,785.75
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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.