Finding the Fourth Proportional to 610,967.14, 843,132.90 and 339,076.06
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Solution
The fourth proportional to 610,967.14, 843,132.90 and 339,076.06 is: 467,923.99
Step by Step Solution
- Step 1: Write the proportion equation
610,967.14 : 843,132.90 = 339,076.06 : x - Step 2: Convert to fraction form
610,967.14/843,132.90 = 339,076.06/x - Step 3: Cross multiply
610,967.14x = 843,132.90 × 339,076.06 - Step 4: Simplify right side
610,967.14x = 285,886,181,788.37 - Step 5: Solve for x
x = 285,886,181,788.37/610,967.14 - Step 6: Final answer
x = 467,923.99
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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.