Finding the Fourth Proportional to 461,340.14, 691,678.08 and 283,479.66
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Solution
The fourth proportional to 461,340.14, 691,678.08 and 283,479.66 is: 425,015.41
Step by Step Solution
- Step 1: Write the proportion equation
461,340.14 : 691,678.08 = 283,479.66 : x - Step 2: Convert to fraction form
461,340.14/691,678.08 = 283,479.66/x - Step 3: Cross multiply
461,340.14x = 691,678.08 × 283,479.66 - Step 4: Simplify right side
461,340.14x = 196,076,666,947.85 - Step 5: Solve for x
x = 196,076,666,947.85/461,340.14 - Step 6: Final answer
x = 425,015.41
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1.5x scale
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.