Finding the Fourth Proportional to 542,693.37, 814,164.09 and 187,707.09
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Solution
The fourth proportional to 542,693.37, 814,164.09 and 187,707.09 is: 281,603.54
Step by Step Solution
- Step 1: Write the proportion equation
542,693.37 : 814,164.09 = 187,707.09 : x - Step 2: Convert to fraction form
542,693.37/814,164.09 = 187,707.09/x - Step 3: Cross multiply
542,693.37x = 814,164.09 × 187,707.09 - Step 4: Simplify right side
542,693.37x = 152,824,372,116.40 - Step 5: Solve for x
x = 152,824,372,116.40/542,693.37 - Step 6: Final answer
x = 281,603.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.