Finding the Fourth Proportional to 585,918.19, 808,588.88 and 331,254.19
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Solution
The fourth proportional to 585,918.19, 808,588.88 and 331,254.19 is: 457,143.09
Step by Step Solution
- Step 1: Write the proportion equation
585,918.19 : 808,588.88 = 331,254.19 : x - Step 2: Convert to fraction form
585,918.19/808,588.88 = 331,254.19/x - Step 3: Cross multiply
585,918.19x = 808,588.88 × 331,254.19 - Step 4: Simplify right side
585,918.19x = 267,848,454,487.41 - Step 5: Solve for x
x = 267,848,454,487.41/585,918.19 - Step 6: Final answer
x = 457,143.09
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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.