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Finding the Fourth Proportional to 483,391.93, 667,260.51 and 415,134.81

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Solution

The fourth proportional to 483,391.93, 667,260.51 and 415,134.81 is: 573,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,391.93 : 667,260.51 = 415,134.81 : x
  2. Step 2: Convert to fraction form
    483,391.93/667,260.51 = 415,134.81/x
  3. Step 3: Cross multiply
    483,391.93x = 667,260.51 × 415,134.81
  4. Step 4: Simplify right side
    483,391.93x = 277,003,062,963.68
  5. Step 5: Solve for x
    x = 277,003,062,963.68/483,391.93
  6. Step 6: Final answer
    x = 573,040.31

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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.