Finding the Fourth Proportional to 329,941.26, 455,320.14 and 179,038.26
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Solution
The fourth proportional to 329,941.26, 455,320.14 and 179,038.26 is: 247,073.45
Step by Step Solution
- Step 1: Write the proportion equation
329,941.26 : 455,320.14 = 179,038.26 : x - Step 2: Convert to fraction form
329,941.26/455,320.14 = 179,038.26/x - Step 3: Cross multiply
329,941.26x = 455,320.14 × 179,038.26 - Step 4: Simplify right side
329,941.26x = 81,519,725,608.56 - Step 5: Solve for x
x = 81,519,725,608.56/329,941.26 - Step 6: Final answer
x = 247,073.45
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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.