Finding the Fourth Proportional to 917,394.59, 1,375,984.89 and 243,528.26
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Solution
The fourth proportional to 917,394.59, 1,375,984.89 and 243,528.26 is: 365,263.98
Step by Step Solution
- Step 1: Write the proportion equation
917,394.59 : 1,375,984.89 = 243,528.26 : x - Step 2: Convert to fraction form
917,394.59/1,375,984.89 = 243,528.26/x - Step 3: Cross multiply
917,394.59x = 1,375,984.89 × 243,528.26 - Step 4: Simplify right side
917,394.59x = 335,091,199,168.07 - Step 5: Solve for x
x = 335,091,199,168.07/917,394.59 - Step 6: Final answer
x = 365,263.98
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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.