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Finding the Fourth Proportional to 603,671.20, 905,276.40 and 182,807.20

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Solution

The fourth proportional to 603,671.20, 905,276.40 and 182,807.20 is: 274,141.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,671.20 : 905,276.40 = 182,807.20 : x
  2. Step 2: Convert to fraction form
    603,671.20/905,276.40 = 182,807.20/x
  3. Step 3: Cross multiply
    603,671.20x = 905,276.40 × 182,807.20
  4. Step 4: Simplify right side
    603,671.20x = 165,491,043,910.08
  5. Step 5: Solve for x
    x = 165,491,043,910.08/603,671.20
  6. Step 6: Final answer
    x = 274,141.03

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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.