Finding the Fourth Proportional to 292,563.35, 403,735.11 and 158,427.35
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Solution
The fourth proportional to 292,563.35, 403,735.11 and 158,427.35 is: 218,628.49
Step by Step Solution
- Step 1: Write the proportion equation
292,563.35 : 403,735.11 = 158,427.35 : x - Step 2: Convert to fraction form
292,563.35/403,735.11 = 158,427.35/x - Step 3: Cross multiply
292,563.35x = 403,735.11 × 158,427.35 - Step 4: Simplify right side
292,563.35x = 63,962,683,579.26 - Step 5: Solve for x
x = 63,962,683,579.26/292,563.35 - Step 6: Final answer
x = 218,628.49
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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.