Finding the Fourth Proportional to 662,111.05, 913,650.09 and 371,656.08
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Solution
The fourth proportional to 662,111.05, 913,650.09 and 371,656.08 is: 512,849.94
Step by Step Solution
- Step 1: Write the proportion equation
662,111.05 : 913,650.09 = 371,656.08 : x - Step 2: Convert to fraction form
662,111.05/913,650.09 = 371,656.08/x - Step 3: Cross multiply
662,111.05x = 913,650.09 × 371,656.08 - Step 4: Simplify right side
662,111.05x = 339,563,610,941.05 - Step 5: Solve for x
x = 339,563,610,941.05/662,111.05 - Step 6: Final answer
x = 512,849.94
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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.