Finding the Fourth Proportional to 556,209.70, 767,584.50 and 314,528.43
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Solution
The fourth proportional to 556,209.70, 767,584.50 and 314,528.43 is: 434,057.78
Step by Step Solution
- Step 1: Write the proportion equation
556,209.70 : 767,584.50 = 314,528.43 : x - Step 2: Convert to fraction form
556,209.70/767,584.50 = 314,528.43/x - Step 3: Cross multiply
556,209.70x = 767,584.50 × 314,528.43 - Step 4: Simplify right side
556,209.70x = 241,427,147,677.34 - Step 5: Solve for x
x = 241,427,147,677.34/556,209.70 - Step 6: Final answer
x = 434,057.78
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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.