Finding the Fourth Proportional to 276,622.04, 381,745.98 and 169,190.12
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Solution
The fourth proportional to 276,622.04, 381,745.98 and 169,190.12 is: 233,486.99
Step by Step Solution
- Step 1: Write the proportion equation
276,622.04 : 381,745.98 = 169,190.12 : x - Step 2: Convert to fraction form
276,622.04/381,745.98 = 169,190.12/x - Step 3: Cross multiply
276,622.04x = 381,745.98 × 169,190.12 - Step 4: Simplify right side
276,622.04x = 64,587,648,165.72 - Step 5: Solve for x
x = 64,587,648,165.72/276,622.04 - Step 6: Final answer
x = 233,486.99
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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.