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Finding the Fourth Proportional to 435,558.89, 599,680.91 and 371,640.17

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Solution

The fourth proportional to 435,558.89, 599,680.91 and 371,640.17 is: 511,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,558.89 : 599,680.91 = 371,640.17 : x
  2. Step 2: Convert to fraction form
    435,558.89/599,680.91 = 371,640.17/x
  3. Step 3: Cross multiply
    435,558.89x = 599,680.91 × 371,640.17
  4. Step 4: Simplify right side
    435,558.89x = 222,865,510,481.55
  5. Step 5: Solve for x
    x = 222,865,510,481.55/435,558.89
  6. Step 6: Final answer
    x = 511,677.11

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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.