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Finding the Fourth Proportional to 451,954.78, 677,675.24 and 349,335.80

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Solution

The fourth proportional to 451,954.78, 677,675.24 and 349,335.80 is: 523,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,954.78 : 677,675.24 = 349,335.80 : x
  2. Step 2: Convert to fraction form
    451,954.78/677,675.24 = 349,335.80/x
  3. Step 3: Cross multiply
    451,954.78x = 677,675.24 × 349,335.80
  4. Step 4: Simplify right side
    451,954.78x = 236,736,222,105.59
  5. Step 5: Solve for x
    x = 236,736,222,105.59/451,954.78
  6. Step 6: Final answer
    x = 523,805.11

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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.