Finding the Fourth Proportional to 277,655.13, 416,482.69 and 67,293.07
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Solution
The fourth proportional to 277,655.13, 416,482.69 and 67,293.07 is: 100,939.60
Step by Step Solution
- Step 1: Write the proportion equation
277,655.13 : 416,482.69 = 67,293.07 : x - Step 2: Convert to fraction form
277,655.13/416,482.69 = 67,293.07/x - Step 3: Cross multiply
277,655.13x = 416,482.69 × 67,293.07 - Step 4: Simplify right side
277,655.13x = 28,026,398,811.96 - Step 5: Solve for x
x = 28,026,398,811.96/277,655.13 - Step 6: Final answer
x = 100,939.60
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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.