Finding the Fourth Proportional to 253,493,865.75, 379,585,937.13 and 174,952,726.26
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Solution
The fourth proportional to 253,493,865.75, 379,585,937.13 and 174,952,726.26 is: 261,977,126.56
Step by Step Solution
- Step 1: Write the proportion equation
253,493,865.75 : 379,585,937.13 = 174,952,726.26 : x - Step 2: Convert to fraction form
253,493,865.75/379,585,937.13 = 174,952,726.26/x - Step 3: Cross multiply
253,493,865.75x = 379,585,937.13 × 174,952,726.26 - Step 4: Simplify right side
253,493,865.75x = 66,409,594,550,850,456 - Step 5: Solve for x
x = 66,409,594,550,850,456/253,493,865.75 - Step 6: Final answer
x = 261,977,126.56
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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.