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Finding the Fourth Proportional to 750,992.44, 1,126,469.22 and 252,356.44

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Solution

The fourth proportional to 750,992.44, 1,126,469.22 and 252,356.44 is: 378,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,992.44 : 1,126,469.22 = 252,356.44 : x
  2. Step 2: Convert to fraction form
    750,992.44/1,126,469.22 = 252,356.44/x
  3. Step 3: Cross multiply
    750,992.44x = 1,126,469.22 × 252,356.44
  4. Step 4: Simplify right side
    750,992.44x = 284,271,762,128.78
  5. Step 5: Solve for x
    x = 284,271,762,128.78/750,992.44
  6. Step 6: Final answer
    x = 378,528.13

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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.