Finding the Fourth Proportional to 362,993.16, 544,547.82 and 126,403.08
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Solution
The fourth proportional to 362,993.16, 544,547.82 and 126,403.08 is: 189,624.84
Step by Step Solution
- Step 1: Write the proportion equation
362,993.16 : 544,547.82 = 126,403.08 : x - Step 2: Convert to fraction form
362,993.16/544,547.82 = 126,403.08/x - Step 3: Cross multiply
362,993.16x = 544,547.82 × 126,403.08 - Step 4: Simplify right side
362,993.16x = 68,832,521,655.29 - Step 5: Solve for x
x = 68,832,521,655.29/362,993.16 - Step 6: Final answer
x = 189,624.84
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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.