Finding the Fourth Proportional to 503,792.97, 695,283.40 and 376,247.13
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Solution
The fourth proportional to 503,792.97, 695,283.40 and 376,247.13 is: 519,257.71
Step by Step Solution
- Step 1: Write the proportion equation
503,792.97 : 695,283.40 = 376,247.13 : x - Step 2: Convert to fraction form
503,792.97/695,283.40 = 376,247.13/x - Step 3: Cross multiply
503,792.97x = 695,283.40 × 376,247.13 - Step 4: Simplify right side
503,792.97x = 261,598,379,533.25 - Step 5: Solve for x
x = 261,598,379,533.25/503,792.97 - Step 6: Final answer
x = 519,257.71
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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.