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Finding the Fourth Proportional to 606,491.12, 907,843.55 and 446,747.17

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Solution

The fourth proportional to 606,491.12, 907,843.55 and 446,747.17 is: 668,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,491.12 : 907,843.55 = 446,747.17 : x
  2. Step 2: Convert to fraction form
    606,491.12/907,843.55 = 446,747.17/x
  3. Step 3: Cross multiply
    606,491.12x = 907,843.55 × 446,747.17
  4. Step 4: Simplify right side
    606,491.12x = 405,576,536,765.25
  5. Step 5: Solve for x
    x = 405,576,536,765.25/606,491.12
  6. Step 6: Final answer
    x = 668,726.26

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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.