Finding the Fourth Proportional to 690,299.20, 1,035,025.98 and 269,083
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Solution
The fourth proportional to 690,299.20, 1,035,025.98 and 269,083 is: 403,459.68
Step by Step Solution
- Step 1: Write the proportion equation
690,299.20 : 1,035,025.98 = 269,083 : x - Step 2: Convert to fraction form
690,299.20/1,035,025.98 = 269,083/x - Step 3: Cross multiply
690,299.20x = 1,035,025.98 × 269,083 - Step 4: Simplify right side
690,299.20x = 278,507,895,776.34 - Step 5: Solve for x
x = 278,507,895,776.34/690,299.20 - Step 6: Final answer
x = 403,459.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.