Finding the Fourth Proportional to 967,207.80, 1,355,490.60 and 967,207.80
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Solution
The fourth proportional to 967,207.80, 1,355,490.60 and 967,207.80 is: 1,355,490.60
Step by Step Solution
- Step 1: Write the proportion equation
967,207.80 : 1,355,490.60 = 967,207.80 : x - Step 2: Convert to fraction form
967,207.80/1,355,490.60 = 967,207.80/x - Step 3: Cross multiply
967,207.80x = 1,355,490.60 × 967,207.80 - Step 4: Simplify right side
967,207.80x = 1,311,041,081,146.68 - Step 5: Solve for x
x = 1,311,041,081,146.68/967,207.80 - Step 6: Final answer
x = 1,355,490.60
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.