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Finding the Fourth Proportional to 431,469.36, 595,295.76 and 250,145.11

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Solution

The fourth proportional to 431,469.36, 595,295.76 and 250,145.11 is: 345,123.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,469.36 : 595,295.76 = 250,145.11 : x
  2. Step 2: Convert to fraction form
    431,469.36/595,295.76 = 250,145.11/x
  3. Step 3: Cross multiply
    431,469.36x = 595,295.76 × 250,145.11
  4. Step 4: Simplify right side
    431,469.36x = 148,910,320,391.26
  5. Step 5: Solve for x
    x = 148,910,320,391.26/431,469.36
  6. Step 6: Final answer
    x = 345,123.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.