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Finding the Fourth Proportional to 454,083.70, 681,125.55 and 383,224.90

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Solution

The fourth proportional to 454,083.70, 681,125.55 and 383,224.90 is: 574,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,083.70 : 681,125.55 = 383,224.90 : x
  2. Step 2: Convert to fraction form
    454,083.70/681,125.55 = 383,224.90/x
  3. Step 3: Cross multiply
    454,083.70x = 681,125.55 × 383,224.90
  4. Step 4: Simplify right side
    454,083.70x = 261,024,270,786.20
  5. Step 5: Solve for x
    x = 261,024,270,786.20/454,083.70
  6. Step 6: Final answer
    x = 574,837.35

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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.