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Finding the Fourth Proportional to 457,575.72, 685,957.50 and 173,067.24

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Solution

The fourth proportional to 457,575.72, 685,957.50 and 173,067.24 is: 259,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,575.72 : 685,957.50 = 173,067.24 : x
  2. Step 2: Convert to fraction form
    457,575.72/685,957.50 = 173,067.24/x
  3. Step 3: Cross multiply
    457,575.72x = 685,957.50 × 173,067.24
  4. Step 4: Simplify right side
    457,575.72x = 118,716,771,282.30
  5. Step 5: Solve for x
    x = 118,716,771,282.30/457,575.72
  6. Step 6: Final answer
    x = 259,447.27

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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.