Finding the Fourth Proportional to 514,037.99, 709,446.91 and 296,204.28
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Solution
The fourth proportional to 514,037.99, 709,446.91 and 296,204.28 is: 408,804.83
Step by Step Solution
- Step 1: Write the proportion equation
514,037.99 : 709,446.91 = 296,204.28 : x - Step 2: Convert to fraction form
514,037.99/709,446.91 = 296,204.28/x - Step 3: Cross multiply
514,037.99x = 709,446.91 × 296,204.28 - Step 4: Simplify right side
514,037.99x = 210,141,211,174.78 - Step 5: Solve for x
x = 210,141,211,174.78/514,037.99 - Step 6: Final answer
x = 408,804.83
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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.