Finding the Fourth Proportional to 368,038.26, 552,057.12 and 118,720.26
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Solution
The fourth proportional to 368,038.26, 552,057.12 and 118,720.26 is: 178,080.30
Step by Step Solution
- Step 1: Write the proportion equation
368,038.26 : 552,057.12 = 118,720.26 : x - Step 2: Convert to fraction form
368,038.26/552,057.12 = 118,720.26/x - Step 3: Cross multiply
368,038.26x = 552,057.12 × 118,720.26 - Step 4: Simplify right side
368,038.26x = 65,540,364,821.25 - Step 5: Solve for x
x = 65,540,364,821.25/368,038.26 - Step 6: Final answer
x = 178,080.30
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1.5x scale
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.