Finding the Fourth Proportional to 914,878.80, 1,372,318.20 and 250,030.80
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Solution
The fourth proportional to 914,878.80, 1,372,318.20 and 250,030.80 is: 375,046.20
Step by Step Solution
- Step 1: Write the proportion equation
914,878.80 : 1,372,318.20 = 250,030.80 : x - Step 2: Convert to fraction form
914,878.80/1,372,318.20 = 250,030.80/x - Step 3: Cross multiply
914,878.80x = 1,372,318.20 × 250,030.80 - Step 4: Simplify right side
914,878.80x = 343,121,817,400.56 - Step 5: Solve for x
x = 343,121,817,400.56/914,878.80 - Step 6: Final answer
x = 375,046.20
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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.