Finding the Fourth Proportional to 912,857.28, 1,370,073.24 and 352,285.44
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Solution
The fourth proportional to 912,857.28, 1,370,073.24 and 352,285.44 is: 528,732.00
Step by Step Solution
- Step 1: Write the proportion equation
912,857.28 : 1,370,073.24 = 352,285.44 : x - Step 2: Convert to fraction form
912,857.28/1,370,073.24 = 352,285.44/x - Step 3: Cross multiply
912,857.28x = 1,370,073.24 × 352,285.44 - Step 4: Simplify right side
912,857.28x = 482,656,854,185.63 - Step 5: Solve for x
x = 482,656,854,185.63/912,857.28 - Step 6: Final answer
x = 528,732.00
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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.