Finding the Fourth Proportional to 590,929.68, 815,472.24 and 336,275.28
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Solution
The fourth proportional to 590,929.68, 815,472.24 and 336,275.28 is: 464,053.79
Step by Step Solution
- Step 1: Write the proportion equation
590,929.68 : 815,472.24 = 336,275.28 : x - Step 2: Convert to fraction form
590,929.68/815,472.24 = 336,275.28/x - Step 3: Cross multiply
590,929.68x = 815,472.24 × 336,275.28 - Step 4: Simplify right side
590,929.68x = 274,223,155,838.23 - Step 5: Solve for x
x = 274,223,155,838.23/590,929.68 - Step 6: Final answer
x = 464,053.79
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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.