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Finding the Fourth Proportional to 483,392.56, 667,261.37 and 415,135.44

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Solution

The fourth proportional to 483,392.56, 667,261.37 and 415,135.44 is: 573,041.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,392.56 : 667,261.37 = 415,135.44 : x
  2. Step 2: Convert to fraction form
    483,392.56/667,261.37 = 415,135.44/x
  3. Step 3: Cross multiply
    483,392.56x = 667,261.37 × 415,135.44
  4. Step 4: Simplify right side
    483,392.56x = 277,003,838,055.81
  5. Step 5: Solve for x
    x = 277,003,838,055.81/483,392.56
  6. Step 6: Final answer
    x = 573,041.18

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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.