Finding the Fourth Proportional to 422,591.91, 583,175.71 and 229,004.99
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Solution
The fourth proportional to 422,591.91, 583,175.71 and 229,004.99 is: 316,026.28
Step by Step Solution
- Step 1: Write the proportion equation
422,591.91 : 583,175.71 = 229,004.99 : x - Step 2: Convert to fraction form
422,591.91/583,175.71 = 229,004.99/x - Step 3: Cross multiply
422,591.91x = 583,175.71 × 229,004.99 - Step 4: Simplify right side
422,591.91x = 133,550,147,636.79 - Step 5: Solve for x
x = 133,550,147,636.79/422,591.91 - Step 6: Final answer
x = 316,026.28
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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.