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Finding the Fourth Proportional to 441,947.76, 663,212.20 and 242,408

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Solution

The fourth proportional to 441,947.76, 663,212.20 and 242,408 is: 363,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,947.76 : 663,212.20 = 242,408 : x
  2. Step 2: Convert to fraction form
    441,947.76/663,212.20 = 242,408/x
  3. Step 3: Cross multiply
    441,947.76x = 663,212.20 × 242,408
  4. Step 4: Simplify right side
    441,947.76x = 160,767,942,977.60
  5. Step 5: Solve for x
    x = 160,767,942,977.60/441,947.76
  6. Step 6: Final answer
    x = 363,771.37

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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.