Finding the Fourth Proportional to 362,685.36, 544,029.27 and 126,030.09
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Solution
The fourth proportional to 362,685.36, 544,029.27 and 126,030.09 is: 189,045.56
Step by Step Solution
- Step 1: Write the proportion equation
362,685.36 : 544,029.27 = 126,030.09 : x - Step 2: Convert to fraction form
362,685.36/544,029.27 = 126,030.09/x - Step 3: Cross multiply
362,685.36x = 544,029.27 × 126,030.09 - Step 4: Simplify right side
362,685.36x = 68,564,057,860.73 - Step 5: Solve for x
x = 68,564,057,860.73/362,685.36 - Step 6: Final answer
x = 189,045.56
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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.