Finding the Fourth Proportional to 514,016.93, 709,665.36 and 330,329.99
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Solution
The fourth proportional to 514,016.93, 709,665.36 and 330,329.99 is: 456,062.32
Step by Step Solution
- Step 1: Write the proportion equation
514,016.93 : 709,665.36 = 330,329.99 : x - Step 2: Convert to fraction form
514,016.93/709,665.36 = 330,329.99/x - Step 3: Cross multiply
514,016.93x = 709,665.36 × 330,329.99 - Step 4: Simplify right side
514,016.93x = 234,423,751,272.15 - Step 5: Solve for x
x = 234,423,751,272.15/514,016.93 - Step 6: Final answer
x = 456,062.32
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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.