Finding the Fourth Proportional to 325,627.93, 449,366.55 and 198,303.53
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Solution
The fourth proportional to 325,627.93, 449,366.55 and 198,303.53 is: 273,658.88
Step by Step Solution
- Step 1: Write the proportion equation
325,627.93 : 449,366.55 = 198,303.53 : x - Step 2: Convert to fraction form
325,627.93/449,366.55 = 198,303.53/x - Step 3: Cross multiply
325,627.93x = 449,366.55 × 198,303.53 - Step 4: Simplify right side
325,627.93x = 89,110,973,128.92 - Step 5: Solve for x
x = 89,110,973,128.92/325,627.93 - Step 6: Final answer
x = 273,658.88
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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.