Finding the Fourth Proportional to 484,221.96, 668,259.36 and 269,381.88
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Solution
The fourth proportional to 484,221.96, 668,259.36 and 269,381.88 is: 371,765.38
Step by Step Solution
- Step 1: Write the proportion equation
484,221.96 : 668,259.36 = 269,381.88 : x - Step 2: Convert to fraction form
484,221.96/668,259.36 = 269,381.88/x - Step 3: Cross multiply
484,221.96x = 668,259.36 × 269,381.88 - Step 4: Simplify right side
484,221.96x = 180,016,962,724.40 - Step 5: Solve for x
x = 180,016,962,724.40/484,221.96 - Step 6: Final answer
x = 371,765.38
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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.