Finding the Fourth Proportional to 734,912.74, 1,102,368.68 and 229,516.98
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Solution
The fourth proportional to 734,912.74, 1,102,368.68 and 229,516.98 is: 344,275.34
Step by Step Solution
- Step 1: Write the proportion equation
734,912.74 : 1,102,368.68 = 229,516.98 : x - Step 2: Convert to fraction form
734,912.74/1,102,368.68 = 229,516.98/x - Step 3: Cross multiply
734,912.74x = 1,102,368.68 × 229,516.98 - Step 4: Simplify right side
734,912.74x = 253,012,330,280.19 - Step 5: Solve for x
x = 253,012,330,280.19/734,912.74 - Step 6: Final answer
x = 344,275.34
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1.5x scale
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.