Finding the Fourth Proportional to 298,608.08, 412,079.14 and 164,472.08
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Solution
The fourth proportional to 298,608.08, 412,079.14 and 164,472.08 is: 226,971.46
Step by Step Solution
- Step 1: Write the proportion equation
298,608.08 : 412,079.14 = 164,472.08 : x - Step 2: Convert to fraction form
298,608.08/412,079.14 = 164,472.08/x - Step 3: Cross multiply
298,608.08x = 412,079.14 × 164,472.08 - Step 4: Simplify right side
298,608.08x = 67,775,513,280.41 - Step 5: Solve for x
x = 67,775,513,280.41/298,608.08 - Step 6: Final answer
x = 226,971.46
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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.