Finding the Fourth Proportional to 447,359.13, 617,355.60 and 246,155.13
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Solution
The fourth proportional to 447,359.13, 617,355.60 and 246,155.13 is: 339,694.08
Step by Step Solution
- Step 1: Write the proportion equation
447,359.13 : 617,355.60 = 246,155.13 : x - Step 2: Convert to fraction form
447,359.13/617,355.60 = 246,155.13/x - Step 3: Cross multiply
447,359.13x = 617,355.60 × 246,155.13 - Step 4: Simplify right side
447,359.13x = 151,965,247,974.23 - Step 5: Solve for x
x = 151,965,247,974.23/447,359.13 - Step 6: Final answer
x = 339,694.08
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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.