Finding the Fourth Proportional to 666,496.46, 919,761.24 and 360,572
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Solution
The fourth proportional to 666,496.46, 919,761.24 and 360,572 is: 497,587.26
Step by Step Solution
- Step 1: Write the proportion equation
666,496.46 : 919,761.24 = 360,572 : x - Step 2: Convert to fraction form
666,496.46/919,761.24 = 360,572/x - Step 3: Cross multiply
666,496.46x = 919,761.24 × 360,572 - Step 4: Simplify right side
666,496.46x = 331,640,149,829.28 - Step 5: Solve for x
x = 331,640,149,829.28/666,496.46 - Step 6: Final answer
x = 497,587.26
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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.