Finding the Fourth Proportional to 452,785.14, 679,489.68 and 186,546.06
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Solution
The fourth proportional to 452,785.14, 679,489.68 and 186,546.06 is: 279,947.62
Step by Step Solution
- Step 1: Write the proportion equation
452,785.14 : 679,489.68 = 186,546.06 : x - Step 2: Convert to fraction form
452,785.14/679,489.68 = 186,546.06/x - Step 3: Cross multiply
452,785.14x = 679,489.68 × 186,546.06 - Step 4: Simplify right side
452,785.14x = 126,756,122,614.66 - Step 5: Solve for x
x = 126,756,122,614.66/452,785.14 - Step 6: Final answer
x = 279,947.62
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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.