Finding the Fourth Proportional to 544,015.21, 750,508.09 and 339,711.44
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Solution
The fourth proportional to 544,015.21, 750,508.09 and 339,711.44 is: 468,656.34
Step by Step Solution
- Step 1: Write the proportion equation
544,015.21 : 750,508.09 = 339,711.44 : x - Step 2: Convert to fraction form
544,015.21/750,508.09 = 339,711.44/x - Step 3: Cross multiply
544,015.21x = 750,508.09 × 339,711.44 - Step 4: Simplify right side
544,015.21x = 254,956,178,534.45 - Step 5: Solve for x
x = 254,956,178,534.45/544,015.21 - Step 6: Final answer
x = 468,656.34
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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.