Finding the Fourth Proportional to 372,683.20, 514,297.68 and 202,917.33
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Solution
The fourth proportional to 372,683.20, 514,297.68 and 202,917.33 is: 280,023.12
Step by Step Solution
- Step 1: Write the proportion equation
372,683.20 : 514,297.68 = 202,917.33 : x - Step 2: Convert to fraction form
372,683.20/514,297.68 = 202,917.33/x - Step 3: Cross multiply
372,683.20x = 514,297.68 × 202,917.33 - Step 4: Simplify right side
372,683.20x = 104,359,912,050.79 - Step 5: Solve for x
x = 104,359,912,050.79/372,683.20 - Step 6: Final answer
x = 280,023.12
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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.