Finding the Fourth Proportional to 519,785.76, 717,304.23 and 293,431.26
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Solution
The fourth proportional to 519,785.76, 717,304.23 and 293,431.26 is: 404,935.07
Step by Step Solution
- Step 1: Write the proportion equation
519,785.76 : 717,304.23 = 293,431.26 : x - Step 2: Convert to fraction form
519,785.76/717,304.23 = 293,431.26/x - Step 3: Cross multiply
519,785.76x = 717,304.23 × 293,431.26 - Step 4: Simplify right side
519,785.76x = 210,479,484,012.23 - Step 5: Solve for x
x = 210,479,484,012.23/519,785.76 - Step 6: Final answer
x = 404,935.07
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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.