Finding the Fourth Proportional to 1,036,178.70, 1,554,268.05 and 288,224.70
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Solution
The fourth proportional to 1,036,178.70, 1,554,268.05 and 288,224.70 is: 432,337.05
Step by Step Solution
- Step 1: Write the proportion equation
1,036,178.70 : 1,554,268.05 = 288,224.70 : x - Step 2: Convert to fraction form
1,036,178.70/1,554,268.05 = 288,224.70/x - Step 3: Cross multiply
1,036,178.70x = 1,554,268.05 × 288,224.70 - Step 4: Simplify right side
1,036,178.70x = 447,978,442,430.84 - Step 5: Solve for x
x = 447,978,442,430.84/1,036,178.70 - Step 6: Final answer
x = 432,337.05
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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.