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Finding the Fourth Proportional to 603,752.20, 905,791.64 and 204,393.02

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Solution

The fourth proportional to 603,752.20, 905,791.64 and 204,393.02 is: 306,644.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,752.20 : 905,791.64 = 204,393.02 : x
  2. Step 2: Convert to fraction form
    603,752.20/905,791.64 = 204,393.02/x
  3. Step 3: Cross multiply
    603,752.20x = 905,791.64 × 204,393.02
  4. Step 4: Simplify right side
    603,752.20x = 185,137,483,239.43
  5. Step 5: Solve for x
    x = 185,137,483,239.43/603,752.20
  6. Step 6: Final answer
    x = 306,644.82

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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.