Finding the Fourth Proportional to 610,217.24, 842,495.06 and 392,523.26
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Solution
The fourth proportional to 610,217.24, 842,495.06 and 392,523.26 is: 541,936.35
Step by Step Solution
- Step 1: Write the proportion equation
610,217.24 : 842,495.06 = 392,523.26 : x - Step 2: Convert to fraction form
610,217.24/842,495.06 = 392,523.26/x - Step 3: Cross multiply
610,217.24x = 842,495.06 × 392,523.26 - Step 4: Simplify right side
610,217.24x = 330,698,905,522.48 - Step 5: Solve for x
x = 330,698,905,522.48/610,217.24 - Step 6: Final answer
x = 541,936.35
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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.