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Finding the Fourth Proportional to 375,550.56, 563,469.66 and 225,896.85

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Solution

The fourth proportional to 375,550.56, 563,469.66 and 225,896.85 is: 338,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,550.56 : 563,469.66 = 225,896.85 : x
  2. Step 2: Convert to fraction form
    375,550.56/563,469.66 = 225,896.85/x
  3. Step 3: Cross multiply
    375,550.56x = 563,469.66 × 225,896.85
  4. Step 4: Simplify right side
    375,550.56x = 127,286,021,264.57
  5. Step 5: Solve for x
    x = 127,286,021,264.57/375,550.56
  6. Step 6: Final answer
    x = 338,931.78

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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.