Finding the Fourth Proportional to 380,359.88, 524,913.03 and 210,594
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Solution
The fourth proportional to 380,359.88, 524,913.03 and 210,594 is: 290,628.80
Step by Step Solution
- Step 1: Write the proportion equation
380,359.88 : 524,913.03 = 210,594 : x - Step 2: Convert to fraction form
380,359.88/524,913.03 = 210,594/x - Step 3: Cross multiply
380,359.88x = 524,913.03 × 210,594 - Step 4: Simplify right side
380,359.88x = 110,543,534,639.82 - Step 5: Solve for x
x = 110,543,534,639.82/380,359.88 - Step 6: Final answer
x = 290,628.80
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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.