Finding the Fourth Proportional to 376,917.23, 565,445.12 and 124,212.62
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Solution
The fourth proportional to 376,917.23, 565,445.12 and 124,212.62 is: 186,341.76
Step by Step Solution
- Step 1: Write the proportion equation
376,917.23 : 565,445.12 = 124,212.62 : x - Step 2: Convert to fraction form
376,917.23/565,445.12 = 124,212.62/x - Step 3: Cross multiply
376,917.23x = 565,445.12 × 124,212.62 - Step 4: Simplify right side
376,917.23x = 70,235,420,613.96 - Step 5: Solve for x
x = 70,235,420,613.96/376,917.23 - Step 6: Final answer
x = 186,341.76
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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.