Finding the Fourth Proportional to 673,541.68, 929,482.95 and 371,735.68
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Solution
The fourth proportional to 673,541.68, 929,482.95 and 371,735.68 is: 512,992.72
Step by Step Solution
- Step 1: Write the proportion equation
673,541.68 : 929,482.95 = 371,735.68 : x - Step 2: Convert to fraction form
673,541.68/929,482.95 = 371,735.68/x - Step 3: Cross multiply
673,541.68x = 929,482.95 × 371,735.68 - Step 4: Simplify right side
673,541.68x = 345,521,976,466.66 - Step 5: Solve for x
x = 345,521,976,466.66/673,541.68 - Step 6: Final answer
x = 512,992.72
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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.