Finding the Fourth Proportional to 838,238.72, 1,257,570.29 and 239,202
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Solution
The fourth proportional to 838,238.72, 1,257,570.29 and 239,202 is: 358,863.56
Step by Step Solution
- Step 1: Write the proportion equation
838,238.72 : 1,257,570.29 = 239,202 : x - Step 2: Convert to fraction form
838,238.72/1,257,570.29 = 239,202/x - Step 3: Cross multiply
838,238.72x = 1,257,570.29 × 239,202 - Step 4: Simplify right side
838,238.72x = 300,813,329,106.59 - Step 5: Solve for x
x = 300,813,329,106.59/838,238.72 - Step 6: Final answer
x = 358,863.56
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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.