Finding the Fourth Proportional to 531,912.96, 734,131.08 and 507,997.44
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Solution
The fourth proportional to 531,912.96, 734,131.08 and 507,997.44 is: 701,123.56
Step by Step Solution
- Step 1: Write the proportion equation
531,912.96 : 734,131.08 = 507,997.44 : x - Step 2: Convert to fraction form
531,912.96/734,131.08 = 507,997.44/x - Step 3: Cross multiply
531,912.96x = 734,131.08 × 507,997.44 - Step 4: Simplify right side
531,912.96x = 372,936,709,264.44 - Step 5: Solve for x
x = 372,936,709,264.44/531,912.96 - Step 6: Final answer
x = 701,123.56
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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.