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Finding the Fourth Proportional to 365,067, 547,600.50 and 115,749

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Solution

The fourth proportional to 365,067, 547,600.50 and 115,749 is: 173,623.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,067 : 547,600.50 = 115,749 : x
  2. Step 2: Convert to fraction form
    365,067/547,600.50 = 115,749/x
  3. Step 3: Cross multiply
    365,067x = 547,600.50 × 115,749
  4. Step 4: Simplify right side
    365,067x = 63,384,210,274.50
  5. Step 5: Solve for x
    x = 63,384,210,274.50/365,067
  6. Step 6: Final answer
    x = 173,623.50

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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.