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Finding the Fourth Proportional to 424,674.54, 586,040.04 and 231,074.04

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Solution

The fourth proportional to 424,674.54, 586,040.04 and 231,074.04 is: 318,876.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,674.54 : 586,040.04 = 231,074.04 : x
  2. Step 2: Convert to fraction form
    424,674.54/586,040.04 = 231,074.04/x
  3. Step 3: Cross multiply
    424,674.54x = 586,040.04 × 231,074.04
  4. Step 4: Simplify right side
    424,674.54x = 135,418,639,644.56
  5. Step 5: Solve for x
    x = 135,418,639,644.56/424,674.54
  6. Step 6: Final answer
    x = 318,876.28

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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.