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Finding the Fourth Proportional to 442,600.40, 663,025.80 and 242,562.80

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Solution

The fourth proportional to 442,600.40, 663,025.80 and 242,562.80 is: 363,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,600.40 : 663,025.80 = 242,562.80 : x
  2. Step 2: Convert to fraction form
    442,600.40/663,025.80 = 242,562.80/x
  3. Step 3: Cross multiply
    442,600.40x = 663,025.80 × 242,562.80
  4. Step 4: Simplify right side
    442,600.40x = 160,825,394,520.24
  5. Step 5: Solve for x
    x = 160,825,394,520.24/442,600.40
  6. Step 6: Final answer
    x = 363,364.77

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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.