Finding the Fourth Proportional to 275,228.10, 412,842.15 and 233,237.70
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Solution
The fourth proportional to 275,228.10, 412,842.15 and 233,237.70 is: 349,856.55
Step by Step Solution
- Step 1: Write the proportion equation
275,228.10 : 412,842.15 = 233,237.70 : x - Step 2: Convert to fraction form
275,228.10/412,842.15 = 233,237.70/x - Step 3: Cross multiply
275,228.10x = 412,842.15 × 233,237.70 - Step 4: Simplify right side
275,228.10x = 96,290,353,529.06 - Step 5: Solve for x
x = 96,290,353,529.06/275,228.10 - Step 6: Final answer
x = 349,856.55
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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.