Finding the Fourth Proportional to 527,386.09, 727,792.47 and 285,668.11
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Solution
The fourth proportional to 527,386.09, 727,792.47 and 285,668.11 is: 394,221.81
Step by Step Solution
- Step 1: Write the proportion equation
527,386.09 : 727,792.47 = 285,668.11 : x - Step 2: Convert to fraction form
527,386.09/727,792.47 = 285,668.11/x - Step 3: Cross multiply
527,386.09x = 727,792.47 × 285,668.11 - Step 4: Simplify right side
527,386.09x = 207,907,099,377.13 - Step 5: Solve for x
x = 207,907,099,377.13/527,386.09 - Step 6: Final answer
x = 394,221.81
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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.