Finding the Fourth Proportional to 408,794.24, 564,135.60 and 229,946.24
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Solution
The fourth proportional to 408,794.24, 564,135.60 and 229,946.24 is: 317,325.56
Step by Step Solution
- Step 1: Write the proportion equation
408,794.24 : 564,135.60 = 229,946.24 : x - Step 2: Convert to fraction form
408,794.24/564,135.60 = 229,946.24/x - Step 3: Cross multiply
408,794.24x = 564,135.60 × 229,946.24 - Step 4: Simplify right side
408,794.24x = 129,720,860,070.14 - Step 5: Solve for x
x = 129,720,860,070.14/408,794.24 - Step 6: Final answer
x = 317,325.56
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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.