Finding the Fourth Proportional to 965,202.18, 1,331,996.60 and 529,641.99
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Solution
The fourth proportional to 965,202.18, 1,331,996.60 and 529,641.99 is: 730,915.60
Step by Step Solution
- Step 1: Write the proportion equation
965,202.18 : 1,331,996.60 = 529,641.99 : x - Step 2: Convert to fraction form
965,202.18/1,331,996.60 = 529,641.99/x - Step 3: Cross multiply
965,202.18x = 1,331,996.60 × 529,641.99 - Step 4: Simplify right side
965,202.18x = 705,481,331,221.34 - Step 5: Solve for x
x = 705,481,331,221.34/965,202.18 - Step 6: Final answer
x = 730,915.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.