Finding the Fourth Proportional to 755,584, 1,042,705.92 and 416,051.44
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Solution
The fourth proportional to 755,584, 1,042,705.92 and 416,051.44 is: 574,150.99
Step by Step Solution
- Step 1: Write the proportion equation
755,584 : 1,042,705.92 = 416,051.44 : x - Step 2: Convert to fraction form
755,584/1,042,705.92 = 416,051.44/x - Step 3: Cross multiply
755,584x = 1,042,705.92 × 416,051.44 - Step 4: Simplify right side
755,584x = 433,819,299,512.53 - Step 5: Solve for x
x = 433,819,299,512.53/755,584 - Step 6: Final answer
x = 574,150.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.