Finding the Fourth Proportional to 298,009.13, 411,252.66 and 163,873.13
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Solution
The fourth proportional to 298,009.13, 411,252.66 and 163,873.13 is: 226,144.95
Step by Step Solution
- Step 1: Write the proportion equation
298,009.13 : 411,252.66 = 163,873.13 : x - Step 2: Convert to fraction form
298,009.13/411,252.66 = 163,873.13/x - Step 3: Cross multiply
298,009.13x = 411,252.66 × 163,873.13 - Step 4: Simplify right side
298,009.13x = 67,393,258,558.76 - Step 5: Solve for x
x = 67,393,258,558.76/298,009.13 - Step 6: Final answer
x = 226,144.95
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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.