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Finding the Fourth Proportional to 425,491.39, 587,201.21 and 244,201.87

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Solution

The fourth proportional to 425,491.39, 587,201.21 and 244,201.87 is: 337,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,491.39 : 587,201.21 = 244,201.87 : x
  2. Step 2: Convert to fraction form
    425,491.39/587,201.21 = 244,201.87/x
  3. Step 3: Cross multiply
    425,491.39x = 587,201.21 × 244,201.87
  4. Step 4: Simplify right side
    425,491.39x = 143,395,631,498.88
  5. Step 5: Solve for x
    x = 143,395,631,498.88/425,491.39
  6. Step 6: Final answer
    x = 337,011.83

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1.5x scale

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.