Finding the Fourth Proportional to 514,460.07, 709,777.22 and 323,487.99
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Solution
The fourth proportional to 514,460.07, 709,777.22 and 323,487.99 is: 446,301.70
Step by Step Solution
- Step 1: Write the proportion equation
514,460.07 : 709,777.22 = 323,487.99 : x - Step 2: Convert to fraction form
514,460.07/709,777.22 = 323,487.99/x - Step 3: Cross multiply
514,460.07x = 709,777.22 × 323,487.99 - Step 4: Simplify right side
514,460.07x = 229,604,404,628.15 - Step 5: Solve for x
x = 229,604,404,628.15/514,460.07 - Step 6: Final answer
x = 446,301.70
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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.