Finding the Fourth Proportional to 513,471.29, 708,351.75 and 332,241.68
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Solution
The fourth proportional to 513,471.29, 708,351.75 and 332,241.68 is: 458,339.12
Step by Step Solution
- Step 1: Write the proportion equation
513,471.29 : 708,351.75 = 332,241.68 : x - Step 2: Convert to fraction form
513,471.29/708,351.75 = 332,241.68/x - Step 3: Cross multiply
513,471.29x = 708,351.75 × 332,241.68 - Step 4: Simplify right side
513,471.29x = 235,343,977,221.82 - Step 5: Solve for x
x = 235,343,977,221.82/513,471.29 - Step 6: Final answer
x = 458,339.12
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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.