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Finding the Fourth Proportional to 422,521.52, 633,355.56 and 264,860.48

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Solution

The fourth proportional to 422,521.52, 633,355.56 and 264,860.48 is: 397,023.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,521.52 : 633,355.56 = 264,860.48 : x
  2. Step 2: Convert to fraction form
    422,521.52/633,355.56 = 264,860.48/x
  3. Step 3: Cross multiply
    422,521.52x = 633,355.56 × 264,860.48
  4. Step 4: Simplify right side
    422,521.52x = 167,750,857,632.27
  5. Step 5: Solve for x
    x = 167,750,857,632.27/422,521.52
  6. Step 6: Final answer
    x = 397,023.23

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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.