Finding the Fourth Proportional to 307,432.24, 458,092.19 and 273,894.59
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Solution
The fourth proportional to 307,432.24, 458,092.19 and 273,894.59 is: 408,119.12
Step by Step Solution
- Step 1: Write the proportion equation
307,432.24 : 458,092.19 = 273,894.59 : x - Step 2: Convert to fraction form
307,432.24/458,092.19 = 273,894.59/x - Step 3: Cross multiply
307,432.24x = 458,092.19 × 273,894.59 - Step 4: Simplify right side
307,432.24x = 125,468,974,392.22 - Step 5: Solve for x
x = 125,468,974,392.22/307,432.24 - Step 6: Final answer
x = 408,119.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.