Finding the Fourth Proportional to 1,517,901.11, 2,276,516.36 and 438,179.00
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Solution
The fourth proportional to 1,517,901.11, 2,276,516.36 and 438,179.00 is: 657,171.70
Step by Step Solution
- Step 1: Write the proportion equation
1,517,901.11 : 2,276,516.36 = 438,179.00 : x - Step 2: Convert to fraction form
1,517,901.11/2,276,516.36 = 438,179.00/x - Step 3: Cross multiply
1,517,901.11x = 2,276,516.36 × 438,179.00 - Step 4: Simplify right side
1,517,901.11x = 997,521,648,534.96 - Step 5: Solve for x
x = 997,521,648,534.96/1,517,901.11 - Step 6: Final answer
x = 657,171.70
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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.