Finding the Fourth Proportional to 552,862.74, 763,185.98 and 371,679.75
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Solution
The fourth proportional to 552,862.74, 763,185.98 and 371,679.75 is: 513,076.31
Step by Step Solution
- Step 1: Write the proportion equation
552,862.74 : 763,185.98 = 371,679.75 : x - Step 2: Convert to fraction form
552,862.74/763,185.98 = 371,679.75/x - Step 3: Cross multiply
552,862.74x = 763,185.98 × 371,679.75 - Step 4: Simplify right side
552,862.74x = 283,660,775,179.10 - Step 5: Solve for x
x = 283,660,775,179.10/552,862.74 - Step 6: Final answer
x = 513,076.31
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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.