Finding the Fourth Proportional to 563,398.28, 777,495.76 and 308,744
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Solution
The fourth proportional to 563,398.28, 777,495.76 and 308,744 is: 426,070.08
Step by Step Solution
- Step 1: Write the proportion equation
563,398.28 : 777,495.76 = 308,744 : x - Step 2: Convert to fraction form
563,398.28/777,495.76 = 308,744/x - Step 3: Cross multiply
563,398.28x = 777,495.76 × 308,744 - Step 4: Simplify right side
563,398.28x = 240,047,150,925.44 - Step 5: Solve for x
x = 240,047,150,925.44/563,398.28 - Step 6: Final answer
x = 426,070.08
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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.