Finding the Fourth Proportional to 416,572.16, 574,870.12 and 225,585.84
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Solution
The fourth proportional to 416,572.16, 574,870.12 and 225,585.84 is: 311,308.75
Step by Step Solution
- Step 1: Write the proportion equation
416,572.16 : 574,870.12 = 225,585.84 : x - Step 2: Convert to fraction form
416,572.16/574,870.12 = 225,585.84/x - Step 3: Cross multiply
416,572.16x = 574,870.12 × 225,585.84 - Step 4: Simplify right side
416,572.16x = 129,682,558,911.10 - Step 5: Solve for x
x = 129,682,558,911.10/416,572.16 - Step 6: Final answer
x = 311,308.75
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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.