Finding the Fourth Proportional to 362,691.68, 544,146.26 and 146,439.09
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Solution
The fourth proportional to 362,691.68, 544,146.26 and 146,439.09 is: 219,702.54
Step by Step Solution
- Step 1: Write the proportion equation
362,691.68 : 544,146.26 = 146,439.09 : x - Step 2: Convert to fraction form
362,691.68/544,146.26 = 146,439.09/x - Step 3: Cross multiply
362,691.68x = 544,146.26 × 146,439.09 - Step 4: Simplify right side
362,691.68x = 79,684,282,409.11 - Step 5: Solve for x
x = 79,684,282,409.11/362,691.68 - Step 6: Final answer
x = 219,702.54
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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.