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Finding the Fourth Proportional to 625,737.78, 863,535.15 and 353,846.36

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Solution

The fourth proportional to 625,737.78, 863,535.15 and 353,846.36 is: 488,317.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,737.78 : 863,535.15 = 353,846.36 : x
  2. Step 2: Convert to fraction form
    625,737.78/863,535.15 = 353,846.36/x
  3. Step 3: Cross multiply
    625,737.78x = 863,535.15 × 353,846.36
  4. Step 4: Simplify right side
    625,737.78x = 305,558,765,241.88
  5. Step 5: Solve for x
    x = 305,558,765,241.88/625,737.78
  6. Step 6: Final answer
    x = 488,317.59

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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.