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Finding the Fourth Proportional to 436,279.91, 654,415.00 and 170,227.31

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Solution

The fourth proportional to 436,279.91, 654,415.00 and 170,227.31 is: 255,339.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,279.91 : 654,415.00 = 170,227.31 : x
  2. Step 2: Convert to fraction form
    436,279.91/654,415.00 = 170,227.31/x
  3. Step 3: Cross multiply
    436,279.91x = 654,415.00 × 170,227.31
  4. Step 4: Simplify right side
    436,279.91x = 111,399,301,376.01
  5. Step 5: Solve for x
    x = 111,399,301,376.01/436,279.91
  6. Step 6: Final answer
    x = 255,339.06

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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.