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Finding the Fourth Proportional to 425,661.70, 587,412.94 and 244,385.32

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Solution

The fourth proportional to 425,661.70, 587,412.94 and 244,385.32 is: 337,251.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,661.70 : 587,412.94 = 244,385.32 : x
  2. Step 2: Convert to fraction form
    425,661.70/587,412.94 = 244,385.32/x
  3. Step 3: Cross multiply
    425,661.70x = 587,412.94 × 244,385.32
  4. Step 4: Simplify right side
    425,661.70x = 143,555,099,314.04
  5. Step 5: Solve for x
    x = 143,555,099,314.04/425,661.70
  6. Step 6: Final answer
    x = 337,251.62

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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.