Finding the Fourth Proportional to 441,547.20, 662,121.54 and 125,929.08
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Solution
The fourth proportional to 441,547.20, 662,121.54 and 125,929.08 is: 188,836.79
Step by Step Solution
- Step 1: Write the proportion equation
441,547.20 : 662,121.54 = 125,929.08 : x - Step 2: Convert to fraction form
441,547.20/662,121.54 = 125,929.08/x - Step 3: Cross multiply
441,547.20x = 662,121.54 × 125,929.08 - Step 4: Simplify right side
441,547.20x = 83,380,356,380.38 - Step 5: Solve for x
x = 83,380,356,380.38/441,547.20 - Step 6: Final answer
x = 188,836.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.