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Finding the Fourth Proportional to 605,144.71, 835,105.91 and 333,237.90

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Solution

The fourth proportional to 605,144.71, 835,105.91 and 333,237.90 is: 459,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,144.71 : 835,105.91 = 333,237.90 : x
  2. Step 2: Convert to fraction form
    605,144.71/835,105.91 = 333,237.90/x
  3. Step 3: Cross multiply
    605,144.71x = 835,105.91 × 333,237.90
  4. Step 4: Simplify right side
    605,144.71x = 278,288,939,725.99
  5. Step 5: Solve for x
    x = 278,288,939,725.99/605,144.71
  6. Step 6: Final answer
    x = 459,871.72

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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.