Finding the Fourth Proportional to 464,887.80, 697,331.70 and 127,927.80
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Solution
The fourth proportional to 464,887.80, 697,331.70 and 127,927.80 is: 191,891.70
Step by Step Solution
- Step 1: Write the proportion equation
464,887.80 : 697,331.70 = 127,927.80 : x - Step 2: Convert to fraction form
464,887.80/697,331.70 = 127,927.80/x - Step 3: Cross multiply
464,887.80x = 697,331.70 × 127,927.80 - Step 4: Simplify right side
464,887.80x = 89,208,110,251.26 - Step 5: Solve for x
x = 89,208,110,251.26/464,887.80 - Step 6: Final answer
x = 191,891.70
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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.