Finding the Fourth Proportional to 750,139.92, 1,125,246.13 and 244,699.92
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Solution
The fourth proportional to 750,139.92, 1,125,246.13 and 244,699.92 is: 367,061.70
Step by Step Solution
- Step 1: Write the proportion equation
750,139.92 : 1,125,246.13 = 244,699.92 : x - Step 2: Convert to fraction form
750,139.92/1,125,246.13 = 244,699.92/x - Step 3: Cross multiply
750,139.92x = 1,125,246.13 × 244,699.92 - Step 4: Simplify right side
750,139.92x = 275,347,637,379.56 - Step 5: Solve for x
x = 275,347,637,379.56/750,139.92 - Step 6: Final answer
x = 367,061.70
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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.