Finding the Fourth Proportional to 373,652.15, 515,651.36 and 212,530.41
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Solution
The fourth proportional to 373,652.15, 515,651.36 and 212,530.41 is: 293,298.45
Step by Step Solution
- Step 1: Write the proportion equation
373,652.15 : 515,651.36 = 212,530.41 : x - Step 2: Convert to fraction form
373,652.15/515,651.36 = 212,530.41/x - Step 3: Cross multiply
373,652.15x = 515,651.36 × 212,530.41 - Step 4: Simplify right side
373,652.15x = 109,591,593,895.21 - Step 5: Solve for x
x = 109,591,593,895.21/373,652.15 - Step 6: Final answer
x = 293,298.45
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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.