Finding the Fourth Proportional to 453,112.36, 679,624.59 and 137,572
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Solution
The fourth proportional to 453,112.36, 679,624.59 and 137,572 is: 206,344.66
Step by Step Solution
- Step 1: Write the proportion equation
453,112.36 : 679,624.59 = 137,572 : x - Step 2: Convert to fraction form
453,112.36/679,624.59 = 137,572/x - Step 3: Cross multiply
453,112.36x = 679,624.59 × 137,572 - Step 4: Simplify right side
453,112.36x = 93,497,314,095.48 - Step 5: Solve for x
x = 93,497,314,095.48/453,112.36 - Step 6: Final answer
x = 206,344.66
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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.