Finding the Fourth Proportional to 446,403.68, 615,615.36 and 293,171.84
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Solution
The fourth proportional to 446,403.68, 615,615.36 and 293,171.84 is: 404,300.18
Step by Step Solution
- Step 1: Write the proportion equation
446,403.68 : 615,615.36 = 293,171.84 : x - Step 2: Convert to fraction form
446,403.68/615,615.36 = 293,171.84/x - Step 3: Cross multiply
446,403.68x = 615,615.36 × 293,171.84 - Step 4: Simplify right side
446,403.68x = 180,481,087,823.46 - Step 5: Solve for x
x = 180,481,087,823.46/446,403.68 - Step 6: Final answer
x = 404,300.18
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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.