Finding the Fourth Proportional to 616,107.20, 924,074.40 and 195,425.60
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Solution
The fourth proportional to 616,107.20, 924,074.40 and 195,425.60 is: 293,110.99
Step by Step Solution
- Step 1: Write the proportion equation
616,107.20 : 924,074.40 = 195,425.60 : x - Step 2: Convert to fraction form
616,107.20/924,074.40 = 195,425.60/x - Step 3: Cross multiply
616,107.20x = 924,074.40 × 195,425.60 - Step 4: Simplify right side
616,107.20x = 180,587,794,064.64 - Step 5: Solve for x
x = 180,587,794,064.64/616,107.20 - Step 6: Final answer
x = 293,110.99
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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.