Finding the Fourth Proportional to 348,026.70, 522,040.05 and 170,879.70
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Solution
The fourth proportional to 348,026.70, 522,040.05 and 170,879.70 is: 256,319.55
Step by Step Solution
- Step 1: Write the proportion equation
348,026.70 : 522,040.05 = 170,879.70 : x - Step 2: Convert to fraction form
348,026.70/522,040.05 = 170,879.70/x - Step 3: Cross multiply
348,026.70x = 522,040.05 × 170,879.70 - Step 4: Simplify right side
348,026.70x = 89,206,047,131.99 - Step 5: Solve for x
x = 89,206,047,131.99/348,026.70 - Step 6: Final answer
x = 256,319.55
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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.