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Finding the Fourth Proportional to 477,883.52, 659,523.36 and 263,067.20

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Solution

The fourth proportional to 477,883.52, 659,523.36 and 263,067.20 is: 363,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,883.52 : 659,523.36 = 263,067.20 : x
  2. Step 2: Convert to fraction form
    477,883.52/659,523.36 = 263,067.20/x
  3. Step 3: Cross multiply
    477,883.52x = 659,523.36 × 263,067.20
  4. Step 4: Simplify right side
    477,883.52x = 173,498,963,649.79
  5. Step 5: Solve for x
    x = 173,498,963,649.79/477,883.52
  6. Step 6: Final answer
    x = 363,057.01

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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.