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Finding the Fourth Proportional to 425,790.20, 587,563.64 and 244,374.44

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Solution

The fourth proportional to 425,790.20, 587,563.64 and 244,374.44 is: 337,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,790.20 : 587,563.64 = 244,374.44 : x
  2. Step 2: Convert to fraction form
    425,790.20/587,563.64 = 244,374.44/x
  3. Step 3: Cross multiply
    425,790.20x = 587,563.64 × 244,374.44
  4. Step 4: Simplify right side
    425,790.20x = 143,585,532,246.08
  5. Step 5: Solve for x
    x = 143,585,532,246.08/425,790.20
  6. Step 6: Final answer
    x = 337,221.32

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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.