Finding the Fourth Proportional to 1,355,782.06, 2,033,685.01 and 344,905.09
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Solution
The fourth proportional to 1,355,782.06, 2,033,685.01 and 344,905.09 is: 517,360.66
Step by Step Solution
- Step 1: Write the proportion equation
1,355,782.06 : 2,033,685.01 = 344,905.09 : x - Step 2: Convert to fraction form
1,355,782.06/2,033,685.01 = 344,905.09/x - Step 3: Cross multiply
1,355,782.06x = 2,033,685.01 × 344,905.09 - Step 4: Simplify right side
1,355,782.06x = 701,428,301,237.28 - Step 5: Solve for x
x = 701,428,301,237.28/1,355,782.06 - Step 6: Final answer
x = 517,360.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.