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Finding the Fourth Proportional to 633,778.75, 950,028.42 and 397,287.51

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Solution

The fourth proportional to 633,778.75, 950,028.42 and 397,287.51 is: 595,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,778.75 : 950,028.42 = 397,287.51 : x
  2. Step 2: Convert to fraction form
    633,778.75/950,028.42 = 397,287.51/x
  3. Step 3: Cross multiply
    633,778.75x = 950,028.42 × 397,287.51
  4. Step 4: Simplify right side
    633,778.75x = 377,434,425,411.03
  5. Step 5: Solve for x
    x = 377,434,425,411.03/633,778.75
  6. Step 6: Final answer
    x = 595,530.26

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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.