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Finding the Fourth Proportional to 605,169.20, 906,004.20 and 587,673.20

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Solution

The fourth proportional to 605,169.20, 906,004.20 and 587,673.20 is: 879,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,169.20 : 906,004.20 = 587,673.20 : x
  2. Step 2: Convert to fraction form
    605,169.20/906,004.20 = 587,673.20/x
  3. Step 3: Cross multiply
    605,169.20x = 906,004.20 × 587,673.20
  4. Step 4: Simplify right side
    605,169.20x = 532,434,387,427.44
  5. Step 5: Solve for x
    x = 532,434,387,427.44/605,169.20
  6. Step 6: Final answer
    x = 879,810.78

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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.