Finding the Fourth Proportional to 384,173.99, 530,229.51 and 229,135.23
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Solution
The fourth proportional to 384,173.99, 530,229.51 and 229,135.23 is: 316,248.01
Step by Step Solution
- Step 1: Write the proportion equation
384,173.99 : 530,229.51 = 229,135.23 : x - Step 2: Convert to fraction form
384,173.99/530,229.51 = 229,135.23/x - Step 3: Cross multiply
384,173.99x = 530,229.51 × 229,135.23 - Step 4: Simplify right side
384,173.99x = 121,494,260,726.64 - Step 5: Solve for x
x = 121,494,260,726.64/384,173.99 - Step 6: Final answer
x = 316,248.01
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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.