Finding the Fourth Proportional to 416,877.71, 625,261.21 and 117,381.65
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Solution
The fourth proportional to 416,877.71, 625,261.21 and 117,381.65 is: 176,056.89
Step by Step Solution
- Step 1: Write the proportion equation
416,877.71 : 625,261.21 = 117,381.65 : x - Step 2: Convert to fraction form
416,877.71/625,261.21 = 117,381.65/x - Step 3: Cross multiply
416,877.71x = 625,261.21 × 117,381.65 - Step 4: Simplify right side
416,877.71x = 73,394,192,510.80 - Step 5: Solve for x
x = 73,394,192,510.80/416,877.71 - Step 6: Final answer
x = 176,056.89
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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.