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Finding the Fourth Proportional to 381,673.35, 572,772.38 and 132,355.35

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Solution

The fourth proportional to 381,673.35, 572,772.38 and 132,355.35 is: 198,624.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,673.35 : 572,772.38 = 132,355.35 : x
  2. Step 2: Convert to fraction form
    381,673.35/572,772.38 = 132,355.35/x
  3. Step 3: Cross multiply
    381,673.35x = 572,772.38 × 132,355.35
  4. Step 4: Simplify right side
    381,673.35x = 75,809,488,163.46
  5. Step 5: Solve for x
    x = 75,809,488,163.46/381,673.35
  6. Step 6: Final answer
    x = 198,624.00

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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.