Finding the Fourth Proportional to 353,526.05, 487,876.12 and 192,391.30
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Solution
The fourth proportional to 353,526.05, 487,876.12 and 192,391.30 is: 265,505.53
Step by Step Solution
- Step 1: Write the proportion equation
353,526.05 : 487,876.12 = 192,391.30 : x - Step 2: Convert to fraction form
353,526.05/487,876.12 = 192,391.30/x - Step 3: Cross multiply
353,526.05x = 487,876.12 × 192,391.30 - Step 4: Simplify right side
353,526.05x = 93,863,120,965.76 - Step 5: Solve for x
x = 93,863,120,965.76/353,526.05 - Step 6: Final answer
x = 265,505.53
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1.5x scale
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.