Finding the Fourth Proportional to 416,873.76, 625,310.88 and 292,768.80
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Solution
The fourth proportional to 416,873.76, 625,310.88 and 292,768.80 is: 439,153.37
Step by Step Solution
- Step 1: Write the proportion equation
416,873.76 : 625,310.88 = 292,768.80 : x - Step 2: Convert to fraction form
416,873.76/625,310.88 = 292,768.80/x - Step 3: Cross multiply
416,873.76x = 625,310.88 × 292,768.80 - Step 4: Simplify right side
416,873.76x = 183,071,515,964.54 - Step 5: Solve for x
x = 183,071,515,964.54/416,873.76 - Step 6: Final answer
x = 439,153.37
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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.