Finding the Fourth Proportional to 347,854,204.80, 521,844,292.80 and 174,895,747.20
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Solution
The fourth proportional to 347,854,204.80, 521,844,292.80 and 174,895,747.20 is: 262,375,288.99
Step by Step Solution
- Step 1: Write the proportion equation
347,854,204.80 : 521,844,292.80 = 174,895,747.20 : x - Step 2: Convert to fraction form
347,854,204.80/521,844,292.80 = 174,895,747.20/x - Step 3: Cross multiply
347,854,204.80x = 521,844,292.80 × 174,895,747.20 - Step 4: Simplify right side
347,854,204.80x = 91,268,347,511,311,584 - Step 5: Solve for x
x = 91,268,347,511,311,584/347,854,204.80 - Step 6: Final answer
x = 262,375,288.99
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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.