Finding the Fourth Proportional to 524,868.13, 724,316.24 and 295,425.28
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Solution
The fourth proportional to 524,868.13, 724,316.24 and 295,425.28 is: 407,685.89
Step by Step Solution
- Step 1: Write the proportion equation
524,868.13 : 724,316.24 = 295,425.28 : x - Step 2: Convert to fraction form
524,868.13/724,316.24 = 295,425.28/x - Step 3: Cross multiply
524,868.13x = 724,316.24 × 295,425.28 - Step 4: Simplify right side
524,868.13x = 213,981,326,533.42 - Step 5: Solve for x
x = 213,981,326,533.42/524,868.13 - Step 6: Final answer
x = 407,685.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.