Finding the Fourth Proportional to 416,580.87, 574,880.44 and 225,594.21
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Solution
The fourth proportional to 416,580.87, 574,880.44 and 225,594.21 is: 311,319.38
Step by Step Solution
- Step 1: Write the proportion equation
416,580.87 : 574,880.44 = 225,594.21 : x - Step 2: Convert to fraction form
416,580.87/574,880.44 = 225,594.21/x - Step 3: Cross multiply
416,580.87x = 574,880.44 × 225,594.21 - Step 4: Simplify right side
416,580.87x = 129,689,698,706.25 - Step 5: Solve for x
x = 129,689,698,706.25/416,580.87 - Step 6: Final answer
x = 311,319.38
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1.5x scale
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.