Finding the Fourth Proportional to 514,574.75, 710,113.16 and 313,370.75
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Solution
The fourth proportional to 514,574.75, 710,113.16 and 313,370.75 is: 432,451.64
Step by Step Solution
- Step 1: Write the proportion equation
514,574.75 : 710,113.16 = 313,370.75 : x - Step 2: Convert to fraction form
514,574.75/710,113.16 = 313,370.75/x - Step 3: Cross multiply
514,574.75x = 710,113.16 × 313,370.75 - Step 4: Simplify right side
514,574.75x = 222,528,693,534.07 - Step 5: Solve for x
x = 222,528,693,534.07/514,574.75 - Step 6: Final answer
x = 432,451.64
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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.