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Finding the Fourth Proportional to 518,924.63, 715,744.46 and 337,297.79

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Solution

The fourth proportional to 518,924.63, 715,744.46 and 337,297.79 is: 465,229.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,924.63 : 715,744.46 = 337,297.79 : x
  2. Step 2: Convert to fraction form
    518,924.63/715,744.46 = 337,297.79/x
  3. Step 3: Cross multiply
    518,924.63x = 715,744.46 × 337,297.79
  4. Step 4: Simplify right side
    518,924.63x = 241,419,021,827.27
  5. Step 5: Solve for x
    x = 241,419,021,827.27/518,924.63
  6. Step 6: Final answer
    x = 465,229.46

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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.