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Finding the Fourth Proportional to 417,887.10, 576,668.03 and 226,896.12

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Solution

The fourth proportional to 417,887.10, 576,668.03 and 226,896.12 is: 313,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,887.10 : 576,668.03 = 226,896.12 : x
  2. Step 2: Convert to fraction form
    417,887.10/576,668.03 = 226,896.12/x
  3. Step 3: Cross multiply
    417,887.10x = 576,668.03 × 226,896.12
  4. Step 4: Simplify right side
    417,887.10x = 130,843,737,400.56
  5. Step 5: Solve for x
    x = 130,843,737,400.56/417,887.10
  6. Step 6: Final answer
    x = 313,107.86

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1.5x scale

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.