Finding the Fourth Proportional to 556,336.98, 767,853.99 and 362,984.40
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Solution
The fourth proportional to 556,336.98, 767,853.99 and 362,984.40 is: 500,989.56
Step by Step Solution
- Step 1: Write the proportion equation
556,336.98 : 767,853.99 = 362,984.40 : x - Step 2: Convert to fraction form
556,336.98/767,853.99 = 362,984.40/x - Step 3: Cross multiply
556,336.98x = 767,853.99 × 362,984.40 - Step 4: Simplify right side
556,336.98x = 278,719,019,847.76 - Step 5: Solve for x
x = 278,719,019,847.76/556,336.98 - Step 6: Final answer
x = 500,989.56
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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.