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Finding the Fourth Proportional to 417,480.88, 625,708.08 and 192,529

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Solution

The fourth proportional to 417,480.88, 625,708.08 and 192,529 is: 288,556.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,480.88 : 625,708.08 = 192,529 : x
  2. Step 2: Convert to fraction form
    417,480.88/625,708.08 = 192,529/x
  3. Step 3: Cross multiply
    417,480.88x = 625,708.08 × 192,529
  4. Step 4: Simplify right side
    417,480.88x = 120,466,950,934.32
  5. Step 5: Solve for x
    x = 120,466,950,934.32/417,480.88
  6. Step 6: Final answer
    x = 288,556.81

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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.