Finding the Fourth Proportional to 671,779.50, 1,007,672.90 and 173,143.50
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Solution
The fourth proportional to 671,779.50, 1,007,672.90 and 173,143.50 is: 259,716.19
Step by Step Solution
- Step 1: Write the proportion equation
671,779.50 : 1,007,672.90 = 173,143.50 : x - Step 2: Convert to fraction form
671,779.50/1,007,672.90 = 173,143.50/x - Step 3: Cross multiply
671,779.50x = 1,007,672.90 × 173,143.50 - Step 4: Simplify right side
671,779.50x = 174,472,011,895.43 - Step 5: Solve for x
x = 174,472,011,895.43/671,779.50 - Step 6: Final answer
x = 259,716.19
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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.