Finding the Fourth Proportional to 458,624.24, 632,880.12 and 254,688.08
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Solution
The fourth proportional to 458,624.24, 632,880.12 and 254,688.08 is: 351,457.70
Step by Step Solution
- Step 1: Write the proportion equation
458,624.24 : 632,880.12 = 254,688.08 : x - Step 2: Convert to fraction form
458,624.24/632,880.12 = 254,688.08/x - Step 3: Cross multiply
458,624.24x = 632,880.12 × 254,688.08 - Step 4: Simplify right side
458,624.24x = 161,187,022,632.97 - Step 5: Solve for x
x = 161,187,022,632.97/458,624.24 - Step 6: Final answer
x = 351,457.70
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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.