Finding the Fourth Proportional to 282,947.20, 390,396.48 and 182,224
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Solution
The fourth proportional to 282,947.20, 390,396.48 and 182,224 is: 251,423.62
Step by Step Solution
- Step 1: Write the proportion equation
282,947.20 : 390,396.48 = 182,224 : x - Step 2: Convert to fraction form
282,947.20/390,396.48 = 182,224/x - Step 3: Cross multiply
282,947.20x = 390,396.48 × 182,224 - Step 4: Simplify right side
282,947.20x = 71,139,608,171.52 - Step 5: Solve for x
x = 71,139,608,171.52/282,947.20 - Step 6: Final answer
x = 251,423.62
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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.