Finding the Fourth Proportional to 640,169.19, 883,358.19 and 353,672.19
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Solution
The fourth proportional to 640,169.19, 883,358.19 and 353,672.19 is: 488,026.03
Step by Step Solution
- Step 1: Write the proportion equation
640,169.19 : 883,358.19 = 353,672.19 : x - Step 2: Convert to fraction form
640,169.19/883,358.19 = 353,672.19/x - Step 3: Cross multiply
640,169.19x = 883,358.19 × 353,672.19 - Step 4: Simplify right side
640,169.19x = 312,419,225,611.74 - Step 5: Solve for x
x = 312,419,225,611.74/640,169.19 - Step 6: Final answer
x = 488,026.03
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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.