Finding the Fourth Proportional to 586,077.12, 808,944.12 and 344,521.56
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Solution
The fourth proportional to 586,077.12, 808,944.12 and 344,521.56 is: 475,532.45
Step by Step Solution
- Step 1: Write the proportion equation
586,077.12 : 808,944.12 = 344,521.56 : x - Step 2: Convert to fraction form
586,077.12/808,944.12 = 344,521.56/x - Step 3: Cross multiply
586,077.12x = 808,944.12 × 344,521.56 - Step 4: Simplify right side
586,077.12x = 278,698,690,175.23 - Step 5: Solve for x
x = 278,698,690,175.23/586,077.12 - Step 6: Final answer
x = 475,532.45
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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.