Finding the Fourth Proportional to 701,605.07, 968,215.05 and 379,315.07
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Solution
The fourth proportional to 701,605.07, 968,215.05 and 379,315.07 is: 523,454.82
Step by Step Solution
- Step 1: Write the proportion equation
701,605.07 : 968,215.05 = 379,315.07 : x - Step 2: Convert to fraction form
701,605.07/968,215.05 = 379,315.07/x - Step 3: Cross multiply
701,605.07x = 968,215.05 × 379,315.07 - Step 4: Simplify right side
701,605.07x = 367,258,554,624.73 - Step 5: Solve for x
x = 367,258,554,624.73/701,605.07 - Step 6: Final answer
x = 523,454.82
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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.