Finding the Fourth Proportional to 513,186.14, 708,023.22 and 332,126.84
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Solution
The fourth proportional to 513,186.14, 708,023.22 and 332,126.84 is: 458,222.65
Step by Step Solution
- Step 1: Write the proportion equation
513,186.14 : 708,023.22 = 332,126.84 : x - Step 2: Convert to fraction form
513,186.14/708,023.22 = 332,126.84/x - Step 3: Cross multiply
513,186.14x = 708,023.22 × 332,126.84 - Step 4: Simplify right side
513,186.14x = 235,153,514,705.23 - Step 5: Solve for x
x = 235,153,514,705.23/513,186.14 - Step 6: Final answer
x = 458,222.65
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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.